The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A building so large that it has its own weather.

Electrical pylon in the shape of Disney's beloved mouse.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

A spiritual vortex among the red rocks in Sedona.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

A reproduction of earth's many biomes.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

Bits and pieces from the ill-fated Donner Party's winter cabins.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

The ghost town that ended up on Ebay.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Erotic art covers the walls of the largest ancient pleasure palace.

Educational foundation that teaches the powers of fourth dimensional physical properties.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

The drama of nature in full effect in this Nevada State Park.

The rocks in this arid basin leave trails of movement behind them.