Wikipedia:WikiProject National Register of Historic Places/full art list

Note: The order of the entries here is by total number of listed properties, from most to fewest, in the related list; when multiple lists have identical numbers of properties, they should be alphabetized by the name of the location.
 * Maryland: 1505 listings
 * Wayne County, Michigan: 319 listings (includes Detroit)
 * Scott County, Iowa: 284 listings (includes Davenport)
 * Cambridge, Massachusetts: 206 listings
 * Williamson County, Tennessee: 137 listings
 * Mobile County, Alabama: 129 listings
 * Kane County, Illinois: 67 listings
 * Clark County, Nevada: 57 listings
 * Teton County, Wyoming: 57 listings
 * Boone County, Missouri: 50 listings
 * Cape May County, New Jersey: 47 listings
 * Henrico County, Virginia: 29 listings
 * Denali Borough, Alaska: 16 listings
 * Lake County, Colorado: 9 listings
 * Adair County Oklahoma: 5 listings
 * Jefferson County, Idaho: 5 listings
 * Langlade County, Wisconsin: 5 listings
 * West Carroll Parish, Louisiana: 3 listings
 * Barton County, Missouri: 1 listing
 * Perry County, Kentucky: 1 listing