China’s breathtaking futuristic library is lined floor to ceiling with fake books.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

This elaborate hole in the ground was built as a sacred site for an ancient civilization.

Visitors dip into a variety of pools of what was once ice.

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

A sudden, striking cluster of hills south of Padua has been attracting visitors for centuries.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

This imposing modern citadel started out as a home renovation project.

This 16th-century monastery has been turned into a surrealist architecture compound.

This historic stone gate tower is now just a lonely relic in the middle of a swamp.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

This ancient theater was once the home of fierce gladiatorial battles.

A series of recreated fortifications mark George Orwell's path through the Spanish Civil War.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

A pair of connected skyscrapers form this symbolic gateway.

An Aztec snake god has taken the material form of an apartment complex.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

The largest hewn stone in history.

The beautiful baroque library of the Hapsburg empire.

A magical place that lets you play in and explore the world of Studio Ghibli.