A century-old miner's quarters turned mansion.

A memorial to the firefighters who died in an industrial disaster is housed in a small public park.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

The eroded core of an ancient volcano is now accessible by a short hike.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

A mecca of Mexican art and cuisine just over the border.

Located near the U.S.-Mexico border, this park remembers the famous raid of General Francisco “Pancho” Villa and his soldiers.

In the middle of a desert subdivision, there is supposedly an impact crater site from Kcymaerxthaereal times.

A half-acre utopia in the New Mexico desert features a graveyard, a game of horseshoes, a library, and a mailbox.

This spot along the 23.5 degree north parallel marks the northern boundary of the tropics.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

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

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

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

For those going through a life transition, a place to leave behind a piece of your former self.

One man handcrafts "the best sake made outside of Japan" in a tiny desert town on Route 66.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.