Rocks

Unusual, mushroom-like rock formations caused by weathering and water erosion, set to disappear, according to geologists.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

This elderly couple's hand-picked collection of rare gems is one of the finest in all of Iceland.

This Taiwanese promontory is covered in otherworldly hoodoo formations.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

A mysterious stone embedded at the base of a historic Boston building.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

The quintessential Japanese rock garden has existed for more than 500 years.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

A field of nothing but boulders which resembles a giant's gravel driveway.

This ancient stone necropolis is in danger of disappearing.

A mysterious pre-Incan ruin believed to have miraculous healing powers.

This rocky spread has been squeezed up directly from the bowels of the earth.