A cabinet of curious mathematical models and old calculators.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

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

The first permanent memorial to a unique secret weapon of World War II.

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

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

The remains of this hell for leather wild west town can still be found in the Arizona desert.

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

The cinder cone volcano with a less than complimentary name.

A geological mystery on Camelback Mountain.

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

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

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A Wild West jailhouse that slid down the mountainside.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

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

A mysterious spirit totem at the edge of Navajo lands.

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

A Tucson museum and performance space full of found-object movable sculptures.

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

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

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