Variously and evocatively known as the Crater of Fire or the Gate to Hell, the Darvaza crater is a football pitch-sized natural gas crater that’s been on fire continuously for more than 40 years.

The site dubbed "Door to Hell" is a popular tourist site, thanks to its one of a kind nature. It has a 226 ft diameter and is 98 ft deep - and many are said to use it as a giant campfire.

The crater known as "Door to Hell" has been burning for decades. In Turkmenistan, a natural gas crater has puzzled scientists and tourists for decades. The Darvaza crater, popularly known as "Door ...