This bar and museum are devoted to the controversial comic book work of Kája Saudek.

The first museum in the world devoted to sexual gadgetry.

Macabre astrological automaton clock dating to the late 1400s.

A lush indoor jungle fills this bustling Madrid transportation hub.

Barça football fans might see the insignia hidden in a church window as a divine sign.

Mountain where Jesus was first tempted by the Devil.

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

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

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

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The legendary building that needed ghostly approval before being built.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This medieval castle was reconstructed by Carlo Scarpa.

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

Pilgrimage site for star-crossed lovers.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

A subterranean playground in an abandoned slate mine.