On the far western edge of Yemen, far from any cities or well-traveled roads, there’s a black mark in the desert, like a giant eye peering up from the earth. Regardless of how uncanny it looks from above, it is a natural phenomenon, a perfectly round and profoundly deep sinkhole called the Well of Barhout, or the “Well of Hell.” It’s easy to see why. Without the help of wings or long ropes, anything that disappears into this 367-foot-deep hole is not going to come out. For centuries, sinister legends…
