25 Unique Natural Wonders That Look Like They Belong on Another Planet
20. The Door to Hell (Darvaza Gas Crater), Turkmenistan
Imagine a perpetually burning crater in the Karakum Desert, an infernal gateway that has been ablaze for over 50 years. The Darvaza Gas Crater, or "Door to Hell," was created when a Soviet drilling rig collapsed into a natural gas cavern, and scientists lit it to prevent methane gas spread, expecting it to burn out in weeks. It hasn't. The continuous flames against the dark desert sky create an apocalyptic, otherworldly scene, a captivating yet stark reminder of Earth's volatile geological forces and humanity's often unforeseen impact on the planet.
