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

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The world's largest dead polar bear, immortalized by taxidermy and Hunter S. Thompson.

The most magnificent bottle house in a town strangely full of them.

Odd outsider art installations surround a Gold Rush-era ghost town.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The longest living non-clonal organisms on Earth.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

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

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

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

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

Water of undetermined depth has attracted rare fish and cult leaders alike.