A secret Soviet Cold War bunker hidden deep in the Czech forest reopens to the public
The only one of its kind in the world that's open to the public, only the Soviet military was allowed inside this bunker storing armed nuclear missiles.
Prague uncovered: The Žižkov Tunnel hides a fallout shelter and a particle accelerator
The tunnel under Prague’s Vítkov Hill was built in the 1950s and doubled as a civil defense shelter
