Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Go inside to really appreciate this 500-year-old technological masterpiece.

A three-story, three-dimensional hobo clown in a tutu welcomes CVS shoppers.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

The final resting place of a space program monolith.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

World-famous, Pink's still manages to keep its prized cult fetish status.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A museum dedicated to the history and exploration of both popular music and science fiction.

An overlooked and unassuming engineering marvel.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A hotel and restaurant serving as the mecca of kitsch.

A treasure hunter's tiny bar, harboring celebrities since 1959.

A giant donut stands as a popular symbol of Los Angeles iconography.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.