In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

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

Colorful curls of hand-blown glass form a captivating tower in San Antonio's Central Library.

The remains of the first punk club in L.A.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

Henry Ford's failed rubber plantation in the middle of the Amazon rain forest.

A health museum containing a 27’’½-foot intestine.

Hidden on a cattle ranch in Arizona, this bookstore has been celebrating Southwest literature for more than 40 years.

A former department store turned into a quirky restaurant.

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

Part bookstore, part café, and part forest.

A tribute to the "toughest woman on the Texas frontier," who survived a famous battle and five husbands.

This eclectic Austin curiosity shop is home to all things strange and unusual.

A museum befitting the city responsible for supplying the majority of the world's LSD.

A giant chess set, minus the psychedelic drug trip.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

An Idaho legend carved out a cave village with his own two hands.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

The only rotating bar in New Orleans has been slowly spinning since 1949.

New Orleans' famous cemetery, located on the site of a former race track.

Cows on a ranch are commonplace, scattered cow bones everywhere? Not so much.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

This large pile of traveler-curated rocks by the dry lakebed is a longstanding tradition on the Old Mojave Road.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.