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 bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Starship-temple contains 400 tons of drinking water and offers free Japanese lessons.

Once a black market electronics marketplace, now an otaku shopper's paradise.

Nine Gardens in one—with tea service.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Macabre astrological automaton clock dating to the late 1400s.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

These fantastically named natural pools look like something out of a Scottish myth.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

Largest graveyard in all of Japan surrounds a famous mausoleum.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

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.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

Pompeii's less famous neighbor is still revealing her secrets.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.