Derinkuyu wasn't discovered until 1965, when a resident cleaning the back wall of his cave house broke through a wall and discovered behind it a room that he'd never seen, which led to still another, and another. Eventually, spelunking archeologists found a maze of connecting chambers that descended at least 18 stories and 280 feet beneath the surface, ample enough to hold 30,000 people. [flickr]. [wiki].
posted on Aug 31, 2007 - View this thread

Welcome to Cold War City It covers 240 acres and has 60 miles of roads and its own railway station. It even includes a pub called the Rose and Crown. Oh, and it's underground. And for sale. Much more interesting than the article, though, are these photo galleries.
posted on Oct 31, 2005 - View this thread