Years ago, small towns like Walden, Colorado were vibrant. Street dances, a health food store, a movie theatre, the works. At least, that's how host Melodie Edwards remembers it from her childhood. Now it's shrinking, part of the "ghost towning" of the American West. But can communities like Walden find a way to survive? Or will Melodie's parents be forced to move away, like so many others?