On Wednesday, the National Trust for Historic Preservation is releasing its listing of America's 11 Most Endangered Historic Places. It includes sites from Maine to Alaska.
The Astrodome was the world's first domed, air-conditioned stadium and was once called the "eighth wonder of the world." Now it needs a plan for reuse to avoid demolition. At New York's JFK Airport, the flying-saucer-shaped Worldport Terminal helped usher in the jet age in 1960 but has been vacated by Delta Air Lines and faces demolition.