Visitors to this library are in for a real-world education in modernist architecture.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

Largest collection of mounted dinosaur specimens in the world.

Christ's blood preserved in a Belgian town.

Brussels' favorite peeing boy has a sister.

Meet the bronze beloved pet to a family of famous peeing statues.

A little sculpture with a large wardrobe.

Sculptures of religious figures made from the ashes of pilgrims' incense.

Taoism, Buddhist and Confucianism are all represented in this temple that claims to answer anyone's wishes.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

A pair of trees near a Hong Kong shrine are said to grant wishes, but only the ones they hold on to.

130 replicas of world wonders squeezed into just 118 acres of space.

The knock-off oil painting capital of the world.

A fantastic assortment of China's finest and most disturbing wares.

This former textile district now is now a thriving center for contemporary Chinese art.

Now a museum, this building was once a 14th-century monastery and the place where the founder of the Dutch nation lived and was assassinated.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

A trio of red, white, and blue stones embedded in the streets of Leiden are markers of medieval territory and law.

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

A former plague hospital turned medical museum.

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

This unattributed sculpture in Amsterdam is hiding in plain sight.