Though adventurers cannot descend into the abyss itself, the zipline experience offers a thrilling opportunity to witness one of Vietnam’s most mysterious geological wonders from above. The ‘Nightmare ...

Guidus Zero is available right now on Steam in Early Access, while the team continues to work on the game for a formal ...

fuelling theories about its mysterious origins. Located in the Caribbean Sea, the Great Blue Hole is a massive underwater sinkhole and home to a unique array of marine life.

The 1,400-acre Bottomless Lakes State Park, established in 1933, holds the distinction of being New Mexico’s first state park ...

A motorcyclist was found dead after vanishing into a massive sinkhole in South Korea’s largest city. The sinkhole, estimated to be around 65 feet wide and 65 feet deep, opened up at an ...

Same state, different highway hole. A gaping sinkhole opened up on a different New Jersey highway Friday — days after a third formed just miles away along Interstate 80 since December and threw ...

Seoul, South Korea — A motorcyclist who fell into a cavernous sinkhole that opened on a Seoul street was found dead after an overnight search, officials in South Korea's capital said Tuesday.