An impressive waterfall nestled in the cliffs of Idaho's Snake River Canyon.

This set of hot springs also comes with fantastic views.

This central Nevada cave is the spiritual home of ancient and enigmatic pictographs.

A Wild West saloon that helped define a generation of psychedelic rock.

This mother-daughter run curiosities shop is a beautifully odd mix of taxidermy and exotic plants.

This rest area is also home to a remarkable petroglyph site.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

Singing sand that stands as the final remains of an ancient lake.

This dry lake bed contains the oldest known petroglyphs in North America.

Local history museum with mammoth bones and an old myth about local giants

This cave was hidden for thousands of years, storing the worldly goods of ancient Native Americans.

The self-made house sculpture of an outsider artist who named himself "Chief Rolling Thunder."

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

This underground cave located in the most barren reaches of Idaho is filled with ice year-round.

Medical museum featuring a number of excellent medical models.

This roadside attraction in the woods of Mississippi is a scalable replica of the Holy Lands during biblical times.

This museum chronicles the history of a leprosy quarantine hospital that then became a refuge.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

Inside this art and oddity-filled shop, a small room filled with secrets.

Professional and amateur dioramas, taxidermy, and oddities all located in an attic above a gallery.

A 19th-century shrine covered with prosthetic body parts as votive offerings.

This colorful New Orleans bookstore features rare and used titles, with a specialty in Cajun fare.

Colorful, cheeky signs spill out of legendary New Orleans folk artist Dr. Bob's Bywater studio warning you to "Be Nice—Or Leave."

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.