I-95's Tijuana-style celebration of kitsch at the Carolina border.

This twisty sign depicts the chain's first logo.

During World War II, blimps were a key part of the United States' defense against German U-boats—this building could house a dozen of the armed airships.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

This Florida museum dedicated to western artwork is entered through an artificial canyon with imported sandstone.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

Breathtaking and huge 430 year old maps of Italy.

The oldest-known example of a historic architectural style recognized by UNESCO.

Southern Italy's spinning top village.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The walls and streets of the ancient city are peppered with penises.

Erotic art covers the walls of the largest ancient pleasure palace.

A ghost town on the slopes of a hand-shaped rock is haunted by the story of a 17th-century murder.

Two of the few remaining life-sized Greek bronzes were submerged in the sea for over 2,000 years.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

This 1st-century CE Roman bath sits under a carpark.

Part of a highway network meant to connect Miami to Montreal, this 10-mile stretch of road made from red bricks is still around 100 years later.

The remains of a 19th century cargo ship now sits in the middle of a quaint neighborhood after a century spent on the ocean floor.

A museum dedicated exclusively to aircraft used in the military.

The maritime museum that boasts the largest nautical library in the western hemisphere.