A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

Electrical pylon in the shape of Disney's beloved mouse.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

The video game-themed street art first popped up in the French city.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The solemn exterior conceals an opulent interior of this 17th century church.

A surreal statue honoring Prague's favorite literary son.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

Catacombs turned marketplace.

The remains of the great moral philosopher reside in a university in London.

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

After surviving abandonment, this powerful Latin American mural is alive again.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

New York City's only radical feminist independent bookstore.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.