Isaac Manchester House

Plantation Plenty, also known as the Isaac Manchester House, is an historic American building which is located in Avella, Pennsylvania.

It was designated as a historic residential landmark/farmstead by the Washington County History & Landmarks Foundation, and was listed on the National Register of Historic Places in 1975, with a boundary enlargement and renaming undertaken in 2016.

History and architectural features
The property is endangered by longwall coal mining.

In 2011, it was named to the list of America's Most Endangered Places by the National Trust for Historic Preservation.