Each year, the nonprofit National Trust for Historic Preservation publishes a list of the most endangered historic places in the United States. The 2015 list comprises 11 geographically and culturally diverse buildings, areas, and natural features.

More than 250 sites have been recognized since 1988, and the National Trust, along with local preservationists and community partners, has played a role in saving dozens of historical sites through this annual act.

Click on the slide show above to view the 2015 list.