Located in Turkmenistan’s Karakum desert, the Darvaza crater is a massive man-made sinkhole that has been burning methane gas for decades. It has been said that it was intentionally set alight ...

The closest thing to hell on Earth lies in Turkmenistan’s Karakum Desert. There ... To venture to the bottom of the 250-foot wide hole, explorer George Kourounis wore heat-resistant gear ...