Bunker-42 is a Cold War-era underground fortification located in downtown Moscow, Russia. Constructed in the early 1950s during the height of the Cold War, this secret facility was designed to protect Soviet leadership in the event of a nuclear attack from the United States. The bunker extends approximately 65 meters below ground and features extensive reinforced concrete construction capable of withstanding extreme conditions.
Today, Bunker-42 operates as a museum and tourist attraction, offering visitors guided tours that reveal the facility's historical significance and engineering marvels.