The Cheyenne Mountain Complex dates back to the height of the Cold War and was built to withstand Soviet nuclear attacks.

President Donald Trump could be forced to flee to one of the government's top secret bases across the United States if a global nuclear war broke out, doomsday plans have revealed. As the war with ...

Add Yahoo as a preferred source to see more of our stories on Google. Beneath the Rockies lies a Cold War-era fortress, built to survive nuclear war. Brian goes inside the Cheyenne Mountain Complex to ...

Deep inside a Colorado mountain lurks a remnant of the Cold War era. Buried 2,000 feet beneath Cheyenne Mountain is a secret military complex, where 15 buildings can seal themselves off from the rest ...