User:NationalRegisterBot/AllNRHPPages/I

I

 * 1) I & M Building
 * 2) I Street Bridge
 * 3) I and M Electric Co. Building-Transformer House and Garage
 * 4) I. C. Thomas Drug Store
 * 5) I. Edward Templeton House
 * 6) I. N. Debenham House
 * 7) I. O. Pickering House
 * 8) I. T. Montgomery House
 * 9) I. W. Goodner House
 * 10) I.J. Fox Building
 * 11) I.O.O.F. Building (Idaho Falls, Idaho)
 * 12) I.O.O.F. Building (Woodland, California)
 * 13) I.O.O.F. Building of Buffalo
 * 14) I.O.O.F. Building, Mason Valley
 * 15) I.O.O.F. Centennial Building
 * 16) I.O.O.F. Hall (Alva, Oklahoma)
 * 17) I.O.O.F. Hall (Challis, Idaho)
 * 18) I.O.O.F. Hall (Dunlap, Iowa)
 * 19) I.O.O.F. Hall (Garnavillo, Iowa)
 * 20) I.O.O.F. Hall (Woodbridge, California)
 * 21) I.O.O.F. Valley Junction Lodge Hall No. 604
 * 22) I.O.O.F. – Paris Fair Building
 * 23) I.P. Campbell Building
 * 24) I.W.P. Buchanan House
 * 25) IANR Railroad Underpass
 * 26) IOOF Building (Ashland, Oregon)
 * 27) IOOF Building (Kingman, Arizona)
 * 28) IOOF Building (Maquoketa, Iowa)
 * 29) IOOF Building (Worcester, Massachusetts)
 * 30) IOOF Hall (De Beque, Colorado)
 * 31) IOOF Hall (Hunter, New York)
 * 32) IOOF Hall (Stevensville, Montana)
 * 33) IOOF Hall and Fromberg Co-operative Mercantile Building
 * 34) IOOF Liberty Lodge No. 49
 * 35) IOOF Lodge (Thompson Falls, Montana)
 * 36) IOOF Lodge Building (Marlinton, West Virginia)
 * 37) IOOF Lodge No. 355
 * 38) IOOF Opera House
 * 39) IOOF Relief Home
 * 40) IOOF Temple Building
 * 41) IXL Historical Museum
 * 42) Ibach House
 * 43) Iberia Academy and Junior College
 * 44) Iberville Parish Courthouse
 * 45) Iberville Projects
 * 46) Icabod Bradley House
 * 47) Icacos Petroglyph Group
 * 48) Ice House (Moulton, Alabama)
 * 49) Ice House on Little Muddy Creek
 * 50) Icehouse Bottom
 * 51) Icehouse Historic District
 * 52) Icelandic Evangelical Lutheran Church
 * 53) Ichabod Leigh House
 * 54) Ida B. Wells-Barnett House
 * 55) Ida County Courthouse
 * 56) Ida Lewis Rock Light
 * 57) Ida M. Rice House
 * 58) Ida May (skipjack)
 * 59) Ida New and William Madison Turner Farm
 * 60) Ida Street Viaduct
 * 61) Ida Tarbell House
 * 62) Idabel Armory
 * 63) Idaho Building (Boise, Idaho)
 * 64) Idaho City, Idaho
 * 65) Idaho Falls City Building
 * 66) Idaho Falls Public Library
 * 67) Idaho Falls Regional Airport
 * 68) Idaho Mining and Smelter Company Store
 * 69) Idaho National Guard Armory
 * 70) Idaho Republican Building
 * 71) Idaho Rocky Mountain Ranch
 * 72) Idaho Springs Downtown Commercial District
 * 73) Idaho State Forester's Building
 * 74) Idaho State Industrial School Women's Dormitory
 * 75) Idaho State University Administration Building
 * 76) Idaho State University Neighborhood Historic District
 * 77) Idalia Manor
 * 78) Idanha Hotel
 * 79) Iddings Block
 * 80) Iddings-Baldridge House
 * 81) Iddings-Gilbert-Leader-Anderson Block
 * 82) Idle Hours
 * 83) Idler's Retreat
 * 84) Idlewild (Fredericksburg, Virginia)
 * 85) Idlewild (Media, Pennsylvania)
 * 86) Idlewild (Port Gibson, Mississippi)
 * 87) Idlewild (Talladega County, Alabama)
 * 88) Idlewild Farm Complex
 * 89) Idlewild Presbyterian Church
 * 90) Idlewild, Michigan
 * 91) Idlewilde (Indian Springs, Georgia)
 * 92) Idora Park (Youngstown)
 * 93) Iglehart
 * 94) Iglesia La Luz del Mundo (Salt Lake City)
 * 95) Iglesia Parroquial de San Pedro Apostol de Toa Baja
 * 96) Iglesia Parroquial de San Pedro Mártir de Guaynabo
 * 97) Iglesia Pentecostal La Luz del Mundo (Brooklyn)
 * 98) Iglesia San Blas de Illescas
 * 99) Iglesia San Germán de Auxerre
 * 100) Iglesia San Isidro Labrador y Santa María de la Cabeza
 * 101) Iglesia San Ramón Nonato
 * 102) Iglesia San Sebastián Mártir
 * 103) Iglesia de Nuestra Señora de la Candelaria y San Matías
 * 104) Iglesia de Nuestra Señora del Carmen
 * 105) Iglesia de San Antonio de Padua
 * 106) Iglesia de San Carlos Borromeo
 * 107) Iglesia de San Juan Bautista (Maricao, Puerto Rico)
 * 108) Iglesia de la Inmaculada Concepción de Vega Alta
 * 109) Iglesia de la Santísima Trinidad
 * 110) Igloo Creek Cabin No. 25
 * 111) Ignacio Berriochoa Farm
 * 112) Ignatius Eckert House
 * 113) Ihm House (Barneveld, Wisconsin)
 * 114) Ijem Avenue Commercial Historic District
 * 115) Ike Reighley House
 * 116) Ikirt House
 * 117) Ilasco Historic District
 * 118) Ile Aux Galets Light
 * 119) Ilfeld Warehouse
 * 120) Ilik River Fortification I
 * 121) Ilik River Fortification II
 * 122) Ilium Building
 * 123) Illick's Mill
 * 124) Illinois Central Combination Depot-Ackley
 * 125) Illinois Central Passenger Depot-Storm Lake
 * 126) Illinois Central Railroad Water Tower and Pump House
 * 127) Illinois Central Railroad Yard-Cherokee
 * 128) Illinois Central Stone Arch Railroad Bridges
 * 129) Illinois Department of Mines and Minerals-Springfield Mine Rescue Station
 * 130) Illinois Envelope Co. Building
 * 131) Illinois Governor's Mansion
 * 132) Illinois Institute of Technology Academic Campus
 * 133) Illinois Iron Furnace
 * 134) Illinois National Guard Armory (Rockford)
 * 135) Illinois River Bridge (Pedro, Arkansas)
 * 136) Illinois River Bridge (Siloam Springs, Arkansas)
 * 137) Illinois River Bridge at Phillips Ford
 * 138) Illinois Salines
 * 139) Illinois State Bank Building
 * 140) Illinois State Capitol
 * 141) Illinois State Fairgrounds
 * 142) Illinois State Police Office (Pontiac)
 * 143) Illinois Street Historic District
 * 144) Illinois Traction Building
 * 145) Illinois Traction System Mackinaw Depot
 * 146) Illinois Valley Airport
 * 147) Illinois Waterway Project Office
 * 148) Illinois and Michigan Canal
 * 149) Illsley Place–West Rudisill Historic District
 * 150) Imboden Methodist Episcopal Church, South
 * 151) Imbrie Farm
 * 152) Imes Bridge
 * 153) Imhoff Archeological Site
 * 154) Imlay and Laurel Streets District
 * 155) Imlaydale Historic District
 * 156) Imlaystown, New Jersey
 * 157) Immaculata Church
 * 158) Immaculata High School (Chicago)
 * 159) Immaculata High School (Detroit, Michigan)
 * 160) Immaculate Conception Cathedral (Brownsville, Texas)
 * 161) Immaculate Conception Catholic Church (Botkins, Ohio)
 * 162) Immaculate Conception Catholic Church (Celina, Ohio)
 * 163) Immaculate Conception Catholic Church (Fulda, Ohio)
 * 164) Immaculate Conception Catholic Church (Peach Grove, Kentucky)
 * 165) Immaculate Conception Catholic Church and Rectory
 * 166) Immaculate Conception Church (Fairbanks, Alaska)
 * 167) Immaculate Conception Church (Grafton, Ohio)
 * 168) Immaculate Conception Church (Hawesville, Kentucky)
 * 169) Immaculate Conception Church (Iron Mountain, Michigan)
 * 170) Immaculate Conception Church (Pawhuska, Oklahoma)
 * 171) Immaculate Conception Church (Rochester, New York)
 * 172) Immaculate Conception Church (Sparks, Nevada)
 * 173) Immaculate Conception Church (Washington, D.C.)
 * 174) Immaculate Conception Church and Rectory (St. Louis)
 * 175) Immaculate Conception Church and School (Omaha, Nebraska)
 * 176) Immaculate Conception Rectory (Revere, Massachusetts)
 * 177) Immaculate Heart of Mary Catholic Church (Windthorst, Kansas)
 * 178) Immaculate Heart of Mary Church (North Little Rock, Arkansas)
 * 179) Immaculate Heart of Mary School (Marche, Arkansas)
 * 180) Immaculate Heart of Mary School (Rutland, Vermont)
 * 181) Immanuel Baptist Church (Rochester, New York)
 * 182) Immanuel Baptist Church (Salt Lake City)
 * 183) Immanuel Chapel Protestant Episcopal Church
 * 184) Immanuel Church (La Grange, Tennessee)
 * 185) Immanuel Congregational Church
 * 186) Immanuel Danish Evangelical Lutheran Church
 * 187) Immanuel Episcopal Church (Mechanicsville, Virginia)
 * 188) Immanuel Episcopal Church (Winona, Mississippi)
 * 189) Immanuel Evangelical Lutheran Church (Boise, Idaho)
 * 190) Immanuel Evangelical Lutheran Church (Pilot Knob, Missouri)
 * 191) Immanuel Hall
 * 192) Immanuel High School (Almyra, Arkansas)
 * 193) Immanuel Lutheran Church (Houston)
 * 194) Immanuel Lutheran Church (Murdo, South Dakota)
 * 195) Immanuel Lutheran Church (Red Wing, Minnesota)
 * 196) Immanuel Lutheran Church (Seattle)
 * 197) Immanuel Lutheran Church (Valparaiso, Indiana)
 * 198) Immanuel Lutheran Church (Zeona, South Dakota)
 * 199) Immanuel Methodist Episcopal Church
 * 200) Immanuel Presbyterian Church (Albuquerque, New Mexico)
 * 201) Immanuel Presbyterian Church (Milwaukee, Wisconsin)
 * 202) Immanuel School
 * 203) Immokolee
 * 204) Imnaha Guard Station
 * 205) Imperial Brewing Company Brewery
 * 206) Imperial Garage
 * 207) Imperial Glass Company
 * 208) Imperial Granum-Joseph Parker Buildings
 * 209) Imperial Hotel (Atlanta)
 * 210) Imperial Hotel (Greenville, South Carolina)
 * 211) Imperial Hotel (Portland, Oregon)
 * 212) Imperial Stock Ranch Headquarters Complex
 * 213) Imperial Tobacco Company Building
 * 214) Imre and Maria Horner House
 * 215) In and Out Social Club
 * 216) Inalåhan, Guam
 * 217) Inarajan Pillbox
 * 218) Inclined Plane Bridge
 * 219) Independence Building
 * 220) Independence Congregational Church
 * 221) Independence Heights Residential Historic District
 * 222) Independence Historic District (Evansville, Indiana)
 * 223) Independence Historic District (Independence, Oregon)
 * 224) Independence Methodist Church
 * 225) Independence Mines, Alaska
 * 226) Independence National Historical Park
 * 227) Independence Park (Chicago)
 * 228) Independence Presbyterian Church
 * 229) Independence Rock
 * 230) Independence, Pitkin County, Colorado
 * 231) Independent Congregational Church
 * 232) Independent Order of Odd Fellows Building (Benton, Arkansas)
 * 233) Independent Order of Odd Fellows Building (San Diego)
 * 234) Independent Order of Odd Fellows Hall (Ashton, Idaho)
 * 235) Independent Order of Odd Fellows Hall (Salt Lake City)
 * 236) Independent Order of Odd Fellows Hall No. 148
 * 237) Independent Order of Odd Fellows-Lodge No. 189 Building
 * 238) Independent Turnverein
 * 239) Indera Mills
 * 240) Indi-Illi Park Historic District
 * 241) Indian Banks (Simonson, Virginia)
 * 242) Indian Boundary Park
 * 243) Indian Brook Road Historic District
 * 244) Indian Burial Ground
 * 245) Indian Canyon Ranger Station
 * 246) Indian Castle Church
 * 247) Indian Cave Petroglyphs (West Virginia)
 * 248) Indian Creek Bridge
 * 249) Indian Creek Covered Bridge
 * 250) Indian Deep Farm
 * 251) Indian Fields
 * 252) Indian Fields Methodist Campground
 * 253) Indian Fish Trap State Preserve
 * 254) Indian Ford Bridge
 * 255) Indian Fort Road Site
 * 256) Indian God Rock
 * 257) Indian Grinding Rock State Historic Park
 * 258) Indian Grove (Mosca, Colorado)
 * 259) Indian Harbor Yacht Club
 * 260) Indian Head Site
 * 261) Indian Henry's Patrol Cabin
 * 262) Indian Hill Avenue Historic District
 * 263) Indian Hill Manor and Farm Historic District
 * 264) Indian Hill School (Worcester, Massachusetts)
 * 265) Indian Hill Site (St. Helena Island, South Carolina)
 * 266) Indian Hill-North Village
 * 267) Indian Island Light
 * 268) Indian Jim's Cave
 * 269) Indian Key Historic State Park
 * 270) Indian King Tavern
 * 271) Indian Knoll
 * 272) Indian Lake Road Stone Arch Bridge
 * 273) Indian Mission
 * 274) Indian Mission Church
 * 275) Indian Mission School
 * 276) Indian Mound (Lakin, Kansas)
 * 277) Indian Mound Park (Dauphin Island, Alabama)
 * 278) Indian Mound Reserve
 * 279) Indian Mounds Park (Saint Paul, Minnesota)
 * 280) Indian Mounds Park (Whitewater, Wisconsin)
 * 281) Indian Orchard Branch Library
 * 282) Indian Paintings
 * 283) Indian Queen Tavern and Black's Store
 * 284) Indian Range
 * 285) Indian River Archeological Complex
 * 286) Indian River Baptist Church (Addison, Maine)
 * 287) Indian River Life-Saving Station
 * 288) Indian Rock Schoolhouse
 * 289) Indian Rocks Dining Hall
 * 290) Indian Sands (Brookings, Oregon)
 * 291) Indian Shaker Church (Marysville, Washington)
 * 292) Indian Shaker Church and Gulick Homestead
 * 293) Indian Springs Hotel Museum
 * 294) Indian Steps Cabin
 * 295) Indian Stones
 * 296) Indian Stream Schoolhouse
 * 297) Indian Timothy Memorial Bridge
 * 298) Indian Trail Road–Belle River Bridge
 * 299) Indian Valley Mine
 * 300) Indian Village Historic District (Fort Wayne, Indiana)
 * 301) Indian Village State Preserve
 * 302) Indian Village, Detroit
 * 303) Indian and the Puritan
 * 304) Indiana Armory
 * 305) Indiana Avenue
 * 306) Indiana Bell Building
 * 307) Indiana Borough 1912 Municipal Building
 * 308) Indiana Harbor Public Library
 * 309) Indiana Limestone Company Building
 * 310) Indiana Medical History Museum
 * 311) Indiana Oxygen Company building
 * 312) Indiana School for the Deaf
 * 313) Indiana Soldiers' and Sailors' Children's Home
 * 314) Indiana State Federation of Colored Women's Clubs
 * 315) Indiana State Highway Bridge 42-11-3101
 * 316) Indiana State Library and Historical Bureau
 * 317) Indiana State Soldiers Home Historic District
 * 318) Indiana Statehouse
 * 319) Indiana Territorial Capitol
 * 320) Indiana Theatre (Indianapolis)
 * 321) Indiana Theatre (Terre Haute, Indiana)
 * 322) Indiana University Bloomington
 * 323) Indiana World War Memorial Plaza
 * 324) Indiana and Michigan Avenues Historic District
 * 325) Indiana station (Pennsylvania)
 * 326) Indianapolis Athletic Club
 * 327) Indianapolis City Market
 * 328) Indianapolis Fire Headquarters and Municipal Garage
 * 329) Indianapolis Masonic Temple
 * 330) Indianapolis Motor Speedway
 * 331) Indianapolis News Building
 * 332) Indianapolis Outing Club
 * 333) Indianapolis Park and Boulevard System
 * 334) Indianapolis Public Library
 * 335) Indianapolis Public Library Branch No. 3
 * 336) Indianapolis Public Library Branch No. 6
 * 337) Indianapolis Union Station
 * 338) Indianapolis Veterans Administration Hospital
 * 339) Indianapolis White Castle
 * 340) Indianola Carnegie Library
 * 341) Indianola Historic District
 * 342) Indianola Junior High School
 * 343) Industrial Arts Building (Tempe, Arizona)
 * 344) Industrial Building (Baltimore, Maryland)
 * 345) Industrial Complex at 221 McKibbin Street
 * 346) Inez Hotel
 * 347) Inez Johnson Lewis School
 * 348) Infirmary Building, Missouri State Hospital Number 3
 * 349) Ingalls Building
 * 350) Ingalls House (De Smet, South Dakota)
 * 351) Ingalls House (Mercer, Maine)
 * 352) Ingalls–Wheeler–Horton Homestead Site
 * 353) Ingemann Danish Lutheran Church
 * 354) Ingenio Azucarero Vives
 * 355) Ingersoll Place Plat Historic District
 * 356) Ingersoll School
 * 357) Ingersoll Tile Elevator
 * 358) Ingham County Courthouse
 * 359) Ingle Brothers Broomcorn Warehouse
 * 360) Ingle Terrace
 * 361) Ingles Bottom Archeological Sites
 * 362) Ingles Ferry
 * 363) Ingleside (Alexandria Bay, New York)
 * 364) Ingleside (Amelia Courthouse, Virginia)
 * 365) Ingleside (Iron Station, North Carolina)
 * 366) Ingleside (Ridgeway, Virginia)
 * 367) Ingleside (Safety Harbor, Florida)
 * 368) Ingleside (Washington, D.C.)
 * 369) Ingleside Avenue Historic District
 * 370) Ingleside Historic District
 * 371) Ingleside Vineyards
 * 372) Inglewood (Glasgow, Missouri)
 * 373) Inglewood (Harrisonburg, Virginia)
 * 374) Inglewood Plantation Historic District
 * 375) Inglewood and Thurston Historic District
 * 376) Ingomar Mound
 * 377) Ingomar Public School
 * 378) Ingraham Building
 * 379) Ingram–Schipper Farm
 * 380) Initial Point (Oklahoma)
 * 381) Initial Point of Boundary Between U.S. and Mexico
 * 382) Initial Rock
 * 383) Inkwell (Lake Landing, North Carolina)
 * 384) Inland Steel Building
 * 385) Inland Theater
 * 386) Inlow Hall (Eastern Oregon University)
 * 387) Inman Hotel
 * 388) Inman House
 * 389) Inman Mills (Inman, South Carolina)
 * 390) Inman Park
 * 391) Inman Park–Moreland Historic District
 * 392) Inman Square
 * 393) Inn at 97 Winder
 * 394) Inn at Fowlerstown
 * 395) Inness–Fitts House and Studio
 * 396) Innisfree Garden
 * 397) Innovation, Design, Entrepreneurship Academy
 * 398) Inns on the National Road
 * 399) Inquirer Building
 * 400) Insane Asylum at the County Poor Farm
 * 401) Insco Apartments Building
 * 402) Inscription Rock (Kelleys Island, Ohio)
 * 403) Inskip Hotel
 * 404) Inspiration Point Shelter House
 * 405) Institute Farm
 * 406) Institute for Colored Youth
 * 407) Institute of American Indian Arts
 * 408) Institute of the Pennsylvania Hospital
 * 409) Institutional District
 * 410) Instituto Loaiza Cordero para Niños Ciegos Historic District
 * 411) Insurance Building (Ellsworth, Kansas)
 * 412) Insurance Company of North America Building (Philadelphia)
 * 413) Insurance Exchange Building
 * 414) Integra Bank
 * 415) Integratron
 * 416) Integrity Title Insurance, Trust and Safe Deposit Company
 * 417) Inter-County Mortgage and Finance Company
 * 418) Inter-State Building
 * 419) Inter-State Grocer Company Building
 * 420) Intercity Bridge
 * 421) Interior Grain Tramway
 * 422) Interior Telephone Company Building
 * 423) Interlachen Avenue Historic District
 * 424) Interlachen Bridge
 * 425) Interlachen Hall
 * 426) Interlaken Historic Residential District
 * 427) Interlaken Mill Bridge
 * 428) Interlaken Resort District
 * 429) Intermediate Building
 * 430) Intermountain Institute
 * 431) International Boundary Marker
 * 432) International Boundary Marker No. 1, U.S. and Mexico
 * 433) International Fur Exchange Building
 * 434) International Harvester Building
 * 435) International Harvester Company Warehouse
 * 436) International Harvester Showroom and Warehouse
 * 437) International Hotel (San Francisco)
 * 438) International House of New York
 * 439) International Longshoreman's Association Hall
 * 440) International Mother's Day Shrine
 * 441) International Shoe Company Building (St. Clair, Missouri)
 * 442) International Shoe Company Building (West Plains, Missouri)
 * 443) International Tailoring Company Building
 * 444) International Temple, Supreme Assembly, Order of the Rainbow for Girls
 * 445) International Trust Company Building
 * 446) International Vinegar Museum
 * 447) Interstate Bakeries
 * 448) Interstate Bridge
 * 449) Interstate Orphanage
 * 450) Interstate Park
 * 451) Interstate Power Company Building
 * 452) Interurban Bridge
 * 453) Intervale (Augusta County, Virginia)
 * 454) Intervale Factory
 * 455) Intervale Farm
 * 456) Intervale Street-Blue Hill Avenue Historic District
 * 457) Intervale Street-Columbia Road Historic District
 * 458) Intheoaks
 * 459) Invención de la Santa Cruz Parish
 * 460) Inverness (Burkeville, Virginia)
 * 461) Inverness Club
 * 462) Inyan Ceyaka Otonwe
 * 463) Inyan Kara Mountain
 * 464) Inyo County Courthouse
 * 465) Ionia (Trevilians, Virginia)
 * 466) Ionia County Courthouse
 * 467) Ionia Downtown Commercial Historic District
 * 468) Ionia Historic District
 * 469) Iosepa, Utah
 * 470) Iowa Beta Chapter of Sigma Phi Epsilon
 * 471) Iowa Building
 * 472) Iowa Canning Company Seed House Building
 * 473) Iowa City Downtown Historic District
 * 474) Iowa Commission for the Blind Building
 * 475) Iowa County Courthouse (Iowa)
 * 476) Iowa County Courthouse (Wisconsin)
 * 477) Iowa Falls Bridge
 * 478) Iowa Falls Union Depot
 * 479) Iowa Federation of Colored Women's Clubs
 * 480) Iowa Ford Tractor Company Repair and Warehouse Building
 * 481) Iowa Lakeside Laboratory Historic District
 * 482) Iowa Malleable Iron Company
 * 483) Iowa Old Capitol Building
 * 484) Iowa Reform Building
 * 485) Iowa Soldiers' Orphans' Home
 * 486) Iowa State Capitol
 * 487) Iowa State Fairgrounds
 * 488) Iowa State Highway Commission, District 6 Building
 * 489) Iowa State Penitentiary
 * 490) Iowa Street Historic District
 * 491) Iowa Wind Mill and Pump Company Office and Warehouse
 * 492) Iowa Yearly Meeting House-College Avenue Friends Church
 * 493) Iowa and Sac & Fox Mission State Historic Site
 * 494) Iowa-Des Moines National Bank Building
 * 495) Iowan's Hotel
 * 496) Iowana Hotel
 * 497) Ipao Pillbox I
 * 498) Ipiutak site
 * 499) Ipsut Creek Patrol Cabin
 * 500) Ipswich Baptist Church
 * 501) Ipswich Mills Historic District
 * 502) Ipswich State Bank
 * 503) Ira B. Sweet House
 * 504) Ira F. Powers Building
 * 505) Ira F. Powers Warehouse and Factory
 * 506) Ira Hill House
 * 507) Ira Loomis Jr. House
 * 508) Ira Remsen House
 * 509) Ira W. Gardner House
 * 510) Ira Webster Olive House
 * 511) Irasburg Town Hall
 * 512) Irby-Henderson-Todd House
 * 513) Iredell County Courthouse
 * 514) Iredell P. Vaughn House
 * 515) Ireland Street Cemetery
 * 516) Ireland-Gardiner Farm
 * 517) Irene Mill Finishing Plant
 * 518) Iris (1866 ship)
 * 519) Irish Bend Covered Bridge
 * 520) Irish Hills Towers
 * 521) Irish Site
 * 522) Irishtown Bend
 * 523) Irma Hotel
 * 524) Iron Block Building (Milwaukee, Wisconsin)
 * 525) Iron Bridge at Howard Hill Road
 * 526) Iron County Courthouse (Michigan)
 * 527) Iron County Courthouse (Missouri)
 * 528) Iron County MRA
 * 529) Iron Hill Cut Jasper Quarry Archeological Site
 * 530) Iron Hill School No. 112C
 * 531) Iron Mountain Central Historic District
 * 532) Iron Post
 * 533) Iron River station (Michigan)
 * 534) Iron Springs Recreation Area
 * 535) Iron Turbine Windmill
 * 536) Ironstone Bridge
 * 537) Ironstone, Massachusetts
 * 538) Ironton City Hall
 * 539) Ironton Lodge Hall
 * 540) Ironton Sintering Plant Complex
 * 541) Ironton station
 * 542) Ironville Historic District
 * 543) Ironwood Carnegie Library
 * 544) Ironwood City Hall
 * 545) Ironwood Memorial/Municipal Building
 * 546) Ironwood Theatre
 * 547) Ironwood station
 * 548) Irvin Hall
 * 549) Irvin-Hamrick Log House
 * 550) Irvin-Patchin House
 * 551) Irvine Bean and Growers Association Building
 * 552) Irvine Blacksmith Shop
 * 553) Irvine Grade School
 * 554) Irvine Historic Business District
 * 555) Irvine Park (Orange, California)
 * 556) Irvine Park Historic District
 * 557) Irvine United Presbyterian Church
 * 558) Irving Andrew and Olive Crane Kendall Dean House
 * 559) Irving Baptist Church
 * 560) Irving Female College
 * 561) Irving Langmuir House
 * 562) Irving McDonald House
 * 563) Irving Park Historic District
 * 564) Irving School (Duluth, Minnesota)
 * 565) Irving Square Historic District
 * 566) Irvington Bowman Apartments
 * 567) Irvington Historic District (Indianapolis)
 * 568) Irvington Historic District (Irvington, Kentucky)
 * 569) Irvington Tennis Club
 * 570) Irvington Terrace Historic District
 * 571) Irvington Town Hall
 * 572) Irvington, New York
 * 573) Irvington, Portland, Oregon
 * 574) Irvington, Virginia
 * 575) Irwin Brothers Store
 * 576) Irwin Conference Center
 * 577) Irwin Consolidated School
 * 578) Irwin County Courthouse
 * 579) Isaac A. Packer Farm
 * 580) Isaac A. Wetherby House
 * 581) Isaac Applewhite House
 * 582) Isaac Bargen House
 * 583) Isaac Bartram House
 * 584) Isaac Bell House
 * 585) Isaac Block House
 * 586) Isaac Bowen House
 * 587) Isaac Brown House
 * 588) Isaac Bullard House
 * 589) Isaac C. Lewis Cottage
 * 590) Isaac Cappon House
 * 591) Isaac Child House
 * 592) Isaac Cocks House
 * 593) Isaac Conger House
 * 594) Isaac Cox Cobblestone Farmstead
 * 595) Isaac Davis House
 * 596) Isaac Davis Trail
 * 597) Isaac Davis and Marion Dalton Hall House
 * 598) Isaac England House
 * 599) Isaac Farrar Mansion
 * 600) Isaac Fay House
 * 601) Isaac Fripp House Ruins
 * 602) Isaac Gardner Sr. House
 * 603) Isaac Glaspell House
 * 604) Isaac Glover House
 * 605) Isaac Goodale House
 * 606) Isaac Greenwood House
 * 607) Isaac H. Evans
 * 608) Isaac H. Smith Jr. House
 * 609) Isaac Hall House
 * 610) Isaac Hardenbergh House
 * 611) Isaac Harmon Farmhouse
 * 612) Isaac Harrison McKaughan House
 * 613) Isaac Hoadley House
 * 614) Isaac Hobbs House
 * 615) Isaac Hoffman House
 * 616) Isaac Homard House
 * 617) Isaac Hunsberger House
 * 618) Isaac Jenkins Mikell House
 * 619) Isaac King House and Barn
 * 620) Isaac Kulp Farm
 * 621) Isaac Lawrence House
 * 622) Isaac Lee Patterson Bridge
 * 623) Isaac Leuty House
 * 624) Isaac Lewis House (Stratford, Connecticut)
 * 625) Isaac Lightner House
 * 626) Isaac Lockwood House
 * 627) Isaac Losee House
 * 628) Isaac M. Haswell House
 * 629) Isaac M. Powers House
 * 630) Isaac M. Raymond Farm
 * 631) Isaac M. Wise Temple
 * 632) Isaac Macrum House
 * 633) Isaac Manchester House
 * 634) Isaac McCormick House
 * 635) Isaac McLean House
 * 636) Isaac Meason House
 * 637) Isaac Meier Homestead
 * 638) Isaac Melvin House
 * 639) Isaac Miller Farm
 * 640) Isaac Miller House
 * 641) Isaac N. Maynard Rowhouses
 * 642) Isaac N. Reynolds House
 * 643) Isaac Nettles Gravestones
 * 644) Isaac Neuberger House
 * 645) Isaac Newton Clark House
 * 646) Isaac Onderdonk House
 * 647) Isaac Owens House
 * 648) Isaac Palmer House
 * 649) Isaac Pawling House
 * 650) Isaac Pollack House
 * 651) Isaac R. Middlesworth Farm House
 * 652) Isaac Reed House
 * 653) Isaac Roberts House
 * 654) Isaac Roosevelt House
 * 655) Isaac Spitler House
 * 656) Isaac Staples' Sawmill
 * 657) Isaac Stout House
 * 658) Isaac Stover House
 * 659) Isaac T. Hopper House
 * 660) Isaac Taylor House
 * 661) Isaac W. Dyer Estate
 * 662) Isaac W. Harrison House
 * 663) Isaac Watson House
 * 664) Isaac White House
 * 665) Isaac Williams House
 * 666) Isaac Winslow House
 * 667) Isaac Yearout House
 * 668) Isaac Young House
 * 669) Isaac and Agnes (Bells) Reeves House
 * 670) Isaacs Art Center
 * 671) Isaacson Building
 * 672) Isabel and Chester Greenwood House
 * 673) Isabel station (Oklahoma)
 * 674) Isabella (1825 ship)
 * 675) Isabella Breckinridge House
 * 676) Isabella Court
 * 677) Isabella Furnace
 * 678) Isabella Ranger Station
 * 679) Isabella Stewart Gardner Museum
 * 680) Isabelle Bowen Henderson House and Gardens
 * 681) Isaiah Davenport House
 * 682) Isaiah Paxson Farm
 * 683) Isaiah Warner Farmstead
 * 684) Isaiah Wilson Snugs House
 * 685) Isaie and Scholastique Martin House
 * 686) Isam White House
 * 687) Isanti County Courthouse
 * 688) Isaqueena
 * 689) Isbell House
 * 690) Isham Day House
 * 691) Isham Henderson House
 * 692) Isham-Terry House
 * 693) Ishpeming Fire Tower
 * 694) Ishpeming Main Street Historic District
 * 695) Ishpeming Municipal Building
 * 696) Isiah Mansur Farmstead Historic District
 * 697) Isla de Mona
 * 698) Island Belle
 * 699) Island Bird
 * 700) Island Blossom
 * 701) Island City (schooner)
 * 702) Island City Historic District
 * 703) Island Falls Opera House
 * 704) Island Field Site
 * 705) Island Ford Lodge
 * 706) Island Grove Masonic Lodge No. 125
 * 707) Island Grove Park
 * 708) Island Heights, New Jersey
 * 709) Island Historic District
 * 710) Island Home
 * 711) Island Home Park, Knoxville
 * 712) Island Hotel
 * 713) Island Image
 * 714) Island Lark
 * 715) Island Place Historic District
 * 716) Island Pond Historic District
 * 717) Island Woolen Company Office Building
 * 718) Island of Happy Days
 * 719) Isle Royale Light
 * 720) Isle au Haut Light
 * 721) Isles of Shoals
 * 722) Islesboro Free Library
 * 723) Islesford Historical Museum and Blue Duck Ships Store
 * 724) Isleton Chinese and Japanese Commercial Districts
 * 725) Ismay Jail
 * 726) Isom Place
 * 727) Isparhecher
 * 728) Israel Arnold House
 * 729) Israel B. Mason House
 * 730) Israel Hall House
 * 731) Israel Jenkins House
 * 732) Israel Picard House
 * 733) Israel Platt Pardee Mansion
 * 734) Israel Putnam School
 * 735) Israel Putnam Wolf Den
 * 736) Israel Shear House
 * 737) Israel Southwick House
 * 738) Israel Stevens House
 * 739) Israel Stowell Temperance House
 * 740) Israel Whitney House
 * 741) Israel and Samuel Lupfer Tannery Site and House
 * 742) Issaquah Sportsmen's Club
 * 743) Issaquah station
 * 744) Istre Cemetery Grave Houses
 * 745) It-goom-mum teh-weh-weh ush-shah-ish
 * 746) Italian Baptist Church
 * 747) Italian Center
 * 748) Italian Community Bake Oven
 * 749) Italian Gardeners and Ranchers Association Market Building
 * 750) Italy Valley Methodist Church
 * 751) Itasca State Park
 * 752) Item Building
 * 753) Ithaca Downtown Historic District (Ithaca, Michigan)
 * 754) Ithaca Downtown Historic District (Ithaca, New York)
 * 755) Ithaca Pottery Site
 * 756) Ithaca station (Lehigh Valley Railroad)
 * 757) Itmann Company Store and Office
 * 758) Iuka Ravine Historic District
 * 759) Ivan Racheff House
 * 760) Ivan W. Day House
 * 761) Ivandale
 * 762) Ivanhoe Apartments
 * 763) Ivanhoe Masonic Temple
 * 764) Ivanov-Rinov House
 * 765) Ivernia Apartment Building
 * 766) Iverson-Johnson House
 * 767) Ives-Baldwin House
 * 768) Ivey Delph Apartments
 * 769) Ivey-Ellington House
 * 770) Iviswold
 * 771) Ivory McKusick House
 * 772) Ivory Mills
 * 773) Ivory Perry Homestead
 * 774) Ivory Quinby House
 * 775) Ivory Sands House
 * 776) Ivoryton, Connecticut
 * 777) Ivy Burne
 * 778) Ivy Cottage (West Whiteland Township, Pennsylvania)
 * 779) Ivy Dale Farm
 * 780) Ivy Green
 * 781) Ivy Hill Cemetery (Smithfield, Virginia)
 * 782) Ivy Lodge
 * 783) Ivy Mills Historic District
 * 784) Ivy Substation
 * 785) Ivy Terrace
 * 786) Ivyland Historic District
 * 787) Ivyside Farm
 * 788) Iyatayet site
 * 789) Izaak Walton Inn
 * 790) Izard County Courthouse