This unreal Portuguese palace looks as though it's made from a pile of different castles.

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

A museum dedicated to one of Portugal's most celebrated writers.

The world's oldest bookshop still in operation.

Eat the ultimate iteration of Portugal's most beloved pastry.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Ancient snack bar of the Roman Empire re-opened.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

2300-year-old Roman road connecting the empire.

This massive subterranean fissure is known as the "underground Grand Canyon."

Five candy-colored villages on the Italian Riviera.

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

The former home of Norway's greatest romantic composer.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This extraordinary, multi-pillared monument depicts the fascinating history of Georgia.

This mansion oasis contains gardens, sculptures, and fountains just off the busy Plaça Kennedy in Sant Gervasi.

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

Construction of Barcelona’s iconic (but controversial) church was finally 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.