One of the largest private collections of cars manufactured by the short-lived Franklin Automobile Company.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

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

This remote desert watering hole has a connection to a curious chapter of American history.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

This scrap yard doubles as a naive art gallery full of found art and farm animals.

The largest and most well-preserved petroglyph site in the Verde Valley.

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

This Old West prison built into the side of a cliff was said to be inescapable.

This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

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

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

The cinder cone volcano with a less than complimentary name.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

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

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.

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

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

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

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

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

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