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

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

The ruins of the castle that chemicals built.

This 75-year-old Shakespearean sculpture is painted by a local artist for every season.

A motel dedicated to Southwestern nostalgia.

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

A Nevada mining boomtown that ran out of silver and luck.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

An institution that preserves the history of institutionalization.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Hollowed out cedar log tubs set in an ancient towering forest.

This curiosity shop contains a museum filled with bizarre, unique objects.

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

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

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

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

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

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

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

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

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