Conspiracies swirl around an abandoned military base in Long Island, where it's alleged that covert government experiments took place underground; experts discuss the critical role that the base played in defending America's coastline... Stories: 1) ... (more)Camp Hero, Suffolk County, Long Island; 2) Wieliczka Salt Mine, Poland; 3) Daksa Island, Croatia; 4) Lewisham Public Baths, London, England