Their concrete bunkers and rusting equipment tell tales ... Here is a list of 20 abandoned military bases around the world and the fascinating stories behind why they were left behind.

Once a Nazi stronghold, now a ghostly enigma, this island's haunting history and hidden dangers make it one of Germany's most intriguing mysteries.

At the fort of Furggels near the village of St. Magrethenberg, the muzzle of a 15cm gun peeks out of the bunker. Artillery fort Furggels was in military use from 1946 to 1998 and is now open to ...

Over 750,000 bunkers were built, though many have been removed to make way for urban development or blown up by scrap merchants to harvest and sell their steel. But many still remain, abandoned ...