The remains of this rugged homestead ranch offer a brief glimpse into a bygone era.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Stairs often replace streets on the steep slopes of this old mining town.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Many generations of travelers have passed through the steep, smooth walls of this canyon.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A land of debatable treasure.

A reproduction of earth's many biomes.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

An acoustic anomaly with a mysterious cause.

This 41,000-acre wetland complex is the largest marsh in the interior of the United States.

Curious rock formations in a tiny Kansas state park.

The first "Hut" was actually a small brick building.

A dramatically eroding canyon thousands of miles from the desert.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

The world-record holder for the longest bridge stretching continuously over water.

The first American woman to win the Nobel Prize in literature came from the foothills of Appalachia.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Home of a 28-foot tall stalagmite known as the War Club.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.