Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

A unique sculpture park that specializes in the huge and bizarre.

This colonial mansion has been home to a staggering number of American historic figures.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

A local prank turned town icon.

A subterranean relic of the Spanish Civil War hides below this picturesque park.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

A massive volcanic plug is now a protected area that hosts a number of bird species.

An ancient capital city that dates back 3,000 years and harbors many surprises.

This ceremonial Mexican square looks as though it belongs in a science fiction movie.

A statue of a boy looks up at where the famous rival to the Leaning Tower of Pisa once stood.

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

A huge cathedral single-handedly constructed by one eccentric monk.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

A jukebox headstone marks the grave of the Cleveland disc jockey credited with coining the term “rock 'n' roll."