This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

'Cause the fence start shaking, the earth was quaking.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Oddly shaped rock formation, misassociated with a nearby utopian community.

This strange geological landscape erupts with sudden bursts of water.

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

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

This erect, phallic geological spire wasn't always named so domestically.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Rising out of miles of farmland, these buttes are sometimes called the world's smallest mountain range.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Eat your Big Mac in a DC-3.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A giant Troll lurks under one of Seattle's oldest bridges.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.