Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

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

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

A fascinating insight into daily life in the Eastern Bloc.

This classic restaurant features a gorgeous mirror-clad room.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Where commuters walk through remnants of an ancient Greek necropolis.

A sharp sculpture made of thousands of pieces of jagged glass.

A cluttered and astounding collection of antiquities and curiosities.

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.

This no man's land slicing through the island is strewn with abandoned relics of another time.

An out-of-place slice of France, smack in the middle of Shanghai.

The ancient settlement attracts tourists from all over looking to learn about the Chinese vision of the afterlife.

A natural arch offers panoramic views of Yangshuo's karst hills.

The most famous location in China was home to whole dynasties worth of imperial rulers.