An epic sculpture depicting a wagon and straining oxen.

The Sun, Moon, and stars peacefully coexist with animals, humans, and their tools at this surprising sculpture park.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Hidden beneath the streets of London is a secret subway that only carried mail.

The sign at the garden gate reads: "These Plants Can Kill."

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A 17th-century church is nestled within the walls of a 15th-century ruin.

This unusual 7th-century Frankish seal offers more questions than answers about its past.

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

A beautiful but toxic fountain of mercury.

This cemetery features modernist statues as strange as its name.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

This semi-secret storybook hedge maze is also the oldest garden in the city.

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.

The mystery of Brazil's "Land of Twins" has led to wild theories such as Nazi genetic experiments.

The first model village in Brazil, built in 1917 to house workers at the jute sack factory.

A display of works by one of the world masters sacred art, an 18th-century Brazilian sculptor nicknamed "the little cripple."