Rocks

Left by the Devil, an ancient quarry or just plain old erosion, this enigmatic rock pillar rises 28 feet from the hillside.

Did Inca children also slide down these smooth rocky slopes above Cusco?

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

These two giant boulders mysteriously perched on a 60-foot cliff may have been slung up there by a raging tsunami.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

A public display of prehistoric space rocks is named for the Namibian village where they were found.

An old train trestle re-imagined as an Egyptian obelisk.

Huge spherical rocks in the middle of the prairie.

The remains of a 37,000-year-old prehistoric society were discovered in this mammoth cave, one of the largest in Asia.

People have been scribbling on this massive chunk of granite for more than 1,500 years.

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

This remarkable prehistoric town is full of watchtowers and houses that have withstood thousands of years.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

Every year locals give the bear a fresh coat of paint to preserve its signature goofy grin.