This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

An ancient octagonal weather station named for the eight Greek gods of wind.

Meet me at the most confusing intersection in Seattle.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

Gladiators once walked this ancient, subterranean passage.

Legend says that these tall basalt pillars are the petrified wives of a trickster god.

A Wild West jailhouse that slid down the mountainside.

A kaleidoscope gallery and steampunk emporium named for a pioneering journalist.

Inside this store, a mysterious statue draws visitors from the world over.

An underground magnet for ever-changing street art.

Mai Tais and Navy Grog served up in one of the original tiki bars.

The first integrated firehouse in Atlanta houses a museum on the history of desegregation in the city's fire department.

This Garden District mansion was built to be bigger and grander than its original owner's former partner turned rival.

A museum and shop on Bourbon Street located in the French Quarter.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

The entire history of the U.S. Space Shuttle Program is painted on an enormous roadside water tank.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

The state bird of New Mexico, constructed entirely out of garbage.

This 47-foot chile pepper sculpture welcomes Scoville heat unit obsessed tourists to the Big Chile Inn.

This old army installation has worn many hats throughout its history.

This is one really big nut.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

The final resting place of the great navigator, or maybe his brother.