A battle between nature and architecture in the Cambodian jungle.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

A blooming house of worship for the masses.

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

2300-year-old Roman road connecting the empire.

Breathtaking and huge 430 year old maps of Italy.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A Nazi concentration camp and Anne Frank's place of death.

The most visited, and possibly most controversial, museum in Germany.

Climb inside an iron crystal magnified 165 billion times its normal size.

A little sculpture with a large wardrobe.

Take a walk in a recreation of ancient Rome.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

The largest 19th century panorama in the world still in-situ.

A miniature city, once ruled by the Queen of the Netherlands.

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

This Dutch statue is a monument to the fictional shrew who brought doom to the city of Stavoren.