The National Trust for Historic Preservation also gave the city of Charleston, S.C., special "watch" status as it released the list Wednesday. The trust said the growing number of cruise ships making Charleston a port of call threaten its historic core.
The most-endangered places list includes two swathes of landscape threatened by energy development. Bear Butte in South Dakota is considered sacred by many Indian tribes, while the Greater Chaco Landscape in northwestern New Mexico is dotted with archaeological sites.
Belmead-on-the-James in Virginia is an old plantation where Mother Katherine Drexel, later canonized, established schools for black and Indian children. China Alley in Hanford, Calif., became a community of early Chinese immigrants to the San Joaquin Valley in 1877.
Fort Gaines on Dauphin Island in Alabama, near where the Battle of Mobile Bay was fought, is threatened by erosion.
One old house, Isaac Manchester Farm in Avella, Pa., surrounded by 400 acres that have been in one family for generations, is threatened by coal mining. The John Coltrane Home, a modest ranch house in Dix Hills, N.Y., needs funds for preservation and upkeep.
Three historic Midwestern sites are also in trouble. The National Soldiers Home Historic District in Milwaukee and the Pillsbury A Mill complex in Minneapolis need renovation while the Prentice Women's Hospital in Chicago is threatened with demolition.