This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

An exotic wildlife habitat right off The Strip.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

A giant open-air sculpture made of over 200 full-sized boats.

An enormous illuminated figure dances on the Las Vegas strip.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A hotel with a rich Wild West history of miners and bootleggers.

This spectacular track has run continuously since 1882.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The winter home of thousands of beautiful snow geese and sandhill cranes.

Legends surround this jagged rock formation in the New Mexico desert.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

A natural formation that resembles a camel resting in the New Mexico desert.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

This popular pilgrimage site offers a hole filled with holy healing dirt.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

Unlike most arches, this geological oddity formed in a volcanic dike.

When ecosystems collide in the arid Southwest.