Oregon Caves National Monument and Preserve was established as a monument in 1909 but grew to encompass the surrounding wilderness in 2014. It is located 35 minutes east of the city of Cave ...

#32 Marble Caves In Patagonia, Chile Image credits: tillotoro #33 Great Blue Hole, Coast Of Belize Image credits: U.S. Geological Survey #34 The Blood Coloured Water Of The Devil's Pulpit, Scotland ...

Patagonia, which spans the southern tip of South America, was not reached by humans until about 12,000 years ago. These early inhabitants thrived at Cueva Huenul 1 for generations, leaving signs ...