Mysterious signs engraved on objects reveal that a form of proto-writing may have been used in Europe 40,000 years ago, tens of thousands of years before the emergence of a full writing system ...

Over 40,000 years ago, our early ancestors were already carving signs into tools and sculptures. According to a new analysis ...

Crystal Grottoes holds the distinction of being Maryland’s only commercially operated show cave, which is a fancy way of saying it’s the only cave in the state where you can safely explore without ...

Indian Echo Caverns in Hummelstown offers exactly that experience, minus the expensive spacesuit and questionable freeze-dried ice cream. Here’s a fun fact: you’ve probably driven past the entrance to ...

APOSTLE ISLANDS NATIONAL LAKESHORE — My calves ached as I walked on frozen Lake Superior, carefully maneuvering around jagged ...

Did Rex Nelson hear these "I fear state parks are going to ..." and "My guess is that President Trump ..." quotes from his old-timers' Monday morning quarterbacks' club or at his most recent dinner ...

Related: If You Can Locate 15/20 Of These European Countries On A Map, Congrats! You're Officially Smarter Than 99% Of ...

Long ago, when Romans wanted to build a new temple, they would head to the nearby quarries of Tivoli, chisel out blocks of porous rock called lapis tiburtinus — now known as ...

From steaming volcanic vents to glowing salt flats, these surreal California landscapes look so otherworldly they feel pulled straight from another planet.

Authorities have restored an ancient rock art site in Coimbatore by removing unauthorized alterations and encroachments.

Mitchell Caverns offers a surreal underground journey through formations millions of years in the making - but only a small number of people can enter daily.

Mammoth” is the museum’s largest ever single-artist commission and opens Friday less than a mile from the White House.