"My very first film was about a town that disappeared," says documentarian John Paget. It was the beginning of a lifelong fascination with cities and towns across the US that experienced slow-motion declines -- but managed to stage a comeback after an era of demise. From the closure of the iconic Route 66 to the roller-coaster history of Buffalo, New York, Paget reveals the power of sharing your town's "civic story" to spark local revitalization.