On the side of Arkansas' Great River Road stand the remains of a forgotten World War II POW Camp.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

A natural history wunderkammer in the middle of the desert.

Tile mosaics and quotes from Pablo Picasso add an artistic flair to these bus stop benches.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

This eclectic collection documents the wild legacies of "America's Wickedest Street."

A 2,500-pound wooden nickel makes this woodworking museum easy to spot from the road.

Mediums from a psychic utopian community lead a trippy VR journey on a parked desert bus.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

Stories of sightless fish and ghostly cowboys are only a fraction of the legends surrounding this Kansas sinkhole.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

A clone of a cloned tree that was so important it allegedly had its own guards.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

A serene garden path lined with 36 haiku stamped into clay stones.

Foragers once flocked to this big beautiful bayou to hunt for pearls.

The saga of the massive nut begins and ends in Texas.

255 feet of suds, scrubbers, and blow dryers.