Top-secret super-secure Los Alamos vault declassified

Down in a remote canyon near Los Alamos National Laboratory lies a facility known as the “Tunnel Vault,“ once one of the most secret and secure locations in the United States, it’s the original post-WWII nuclear stockpile storage area. Located in Los Alamos canyon at Technical Area 41, the Tunnel Vault was built between 1948 and 1949. The facility has a formidable security perimeter, a hardened guard tower — complete with gun ports and bulletproof glass — and a series of gates and doors that lead to a 230