Derinkuyu
This ancient Turkish city could house more than 50 thousand people, reached eleven stories below ground, and was built in the 7th or 8th century by Christians hiding from persecution. Turkey is full of underground cities, in part because the volcanic rock in the region is easy to carve out.
This ancient Turkish city could house more than 50 thousand people, reached eleven stories below ground, and was built in the 7th or 8th century by Christians hiding from persecution. Turkey is full of underground cities, in part because the volcanic rock in the region is easy to carve out.
Cheyenne Mountain
Once home to NORAD, this underground city was built down Colorado's Cheyenne Mountain to hold thousands of people and withstand a nuclear attack. Though it was secure during the Cold War, advances in missile technology mean that it's no longer a sure bet when the nukes fall. So NORAD has been moved to a new location, and the city remains standing some people still live there but it may become a museum soon.
Once home to NORAD, this underground city was built down Colorado's Cheyenne Mountain to hold thousands of people and withstand a nuclear attack. Though it was secure during the Cold War, advances in missile technology mean that it's no longer a sure bet when the nukes fall. So NORAD has been moved to a new location, and the city remains standing some people still live there but it may become a museum soon.
Portland
In Portland, Oregon on the west coast of the United States, there's a wide network of underground tunnels, former homes and businesses. The place was used almost entirely for bars before and during Prohibition, and earned the nickname "Shanghai Tunnels" because unwary sailors were often "shanghaied" drugged while drinking, only to find themselves aboard a ship the next day, where they had to work until they hit another port.
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