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.

This ancient trail has claimed the lives of over 2,000 people.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

Take a monster truck tour around an ostrich farm in the middle of the desert.

The biggest solar telescope in the world helps reveal the secrets of our sun.

The cinder cone volcano with a less than complimentary name.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

A geological mystery on Camelback Mountain.

These free-roaming horses were once destined to disappear from the land.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

A mysterious spirit totem at the edge of Navajo lands.

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

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

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

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

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

An artificial crater field that trained astronauts for lunar exploration.