Sink hole

This "Bottomless Pit" is The Monticello Dam Drain Hole in California - Imgur

Devil’s Sinkhole in Texas is a 400-foot deep natural landmark known for its vast underground cave system and millions of Mexican Free-Tailed

It seems we have a scary answer for why Siberia is turning into Swiss cheese.

Use a smartphone or GPS device to navigate to the provided coordinates. Look for a small hidden container. When you find it, write your name and date in the logbook. If you take something from the container, leave something in exchange. The terrain is 2.5 and difficulty is 1 (out of 5).

A giant sinkhole that swallowed several homes in Guatemala City in 2007. Around 10 per cent of the world's surface is made up of karst topographies in which sinkholes form across an area. Photo: Reuters

April 16, 2012 – SWEDEN – It looks like something taken straight from a horror movie. An enormous hole leading to hell, some would say. But this is not a movie. This is a real and dangerous p…

Guatemala has been struck by the full wrath of nature in the last week – first, the volcano Pacaya erupted, killing at least three people, and blanketing the region in ash. Soon after, tropical storm Agatha passed through the country near the Guatemala-Mexico border killing at least 152 people. Heavy rainfalls led to widespread flooding and the formation of a dramatic sight – a sinkhole over 20 meters (65.6 feet) …

Here are some of the biggest and baddest sinkholes in the world.

A sinkhole opened up and swallowed a bus this week in China , killing several people. A few months ago, another sinkhole opened up below a bus in my

Sinkholes, craters and collapsed roads around the world, in pictures