Nerve-chilling Photos of Sinkholes around the World

The Door to Hell (also known as the Crater of Fire or the Darvaza Crater) is a natural gas field in Derweze, Turkmenistan, that collapsed into an underground cavern in 1971. Geologists reportedly set it on fire to prevent the spread of methane gas, and it has been burning continuously since then. The crater, a … Continue reading Nerve-chilling Photos of Sinkholes around the World