Hole in ground

Illustration about an infintiely deep hole in a flat piece of cracked stone. Illustration of plaster, disintegrated, fracture - 26457213

Waterton, Alberta

They come out at night and look like winged mice. Many people have a disdain, if not an outright fear, of bats — but researchers say there's no need.

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

Researchers investigating a mysterious hole in the remote Siberian tundra might be busy over the next few weeks.

Thieves' Cave located on Volcano Etna 2011, is a volcanic rock cave, originated from the cooling of a lava flow.

Ranked #9 of 14 attractions in Carlsbad Caverns National Park. Been here too? Add it to your map!

Photo about the view from inside a well looking up at the sky outside above. Image of stone, burried, edge - 7746945

The Guatemala City sinkhole is 18 meters (60 feet) wide and 100 meters (300 feet) deep.

When we were growing our own food space was very important. We had a good sized garden, but not massive, and compost heaps take up a lot of room.