A recent discovery in a cave in Krabi has unearthed numerous hyena fossils, estimated to be over 200,000 years old, suggesting that Krabi was once a savannah.

Costa Rica's Alajuela Province is home to the deadly 'Cave of Death,' where carbon dioxide continuously seeps, creating an ...

How did Mammoth Cave form? What unique geological processes occurred to create what Arthur M. Palmer, in his book A Geological Guide to Mammoth Cave National Park, says is “… a natural underground ...

Dive into the Top 10 Caves in the USA for a thrilling journey through massive chambers, sparkling calcite walls, and historic ...

Discover a different side of Vietnam in this wide-ranging tour that covers geology, stunning landscapes, animal conservation, culture and history. Experience tropical jungles, limestone caves ...

Graham Cave State Park in Danville is a tiny but mighty destination filled with scenic beauty and fascinating history waiting ...

Find Geology Abstract stock video, 4K footage, and other HD footage from iStock. Get higher quality Geology Abstract content, for less—All of our 4K video clips are the same price as HD. Video Back ...

Passing by a series of subterranean geological features named cave chocolate, cave bacon and cave popcorn, I start to wonder ...