America's 11 most endangered places

POSTED: 08:30 AM PDT Jun 06, 2012 

From Joe Frazier's gym to Malcolm X's boyhood home, check out these national treasures before they disappear.

Endangered - Joe Frazier Gym
5 / 13
Photo by Ben Leech

Joe Frazier's Gym -- This training center and gym in Philadelphia owned by heavyweight champ Joe Frazier has no formal historic designation.

Advertisement

Most Popular

Advertisement