Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

More gold than anywhere else, ever.

Elevated freight railway turned wildly successful urban park.

The palatial McDonald's that inspired Wesley Willis.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Frida Kahlo's childhood home, now a museum of her life and works.

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.

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 beautiful baroque library of the Hapsburg empire.

When this funny little building went up in the 19th century, most people thought it would simply fall over.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Southern Italy's spinning top village.

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

A fake medieval village in the middle of Turin.

"The prettiest love letters in the world" ... or so said Lord Byron.

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

Medieval torture techniques with a modern conscience.

A fairy tale castle in modern Rome.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Pilgrimage site for star-crossed lovers.