Europe's official "zero-level," the equator of elevation.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

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

Incredible labyrinth of man made caves.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

Sail in for a ’dam good slice.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

This cheese shop also houses a museum devoted to Dutch dairy.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

Hand-made memorials and a wish-granting murderer lie within this seaside pauper's cemetery.

The world's most remote airport.

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

This iconic hilltop church doubled as a lighthouse in the 19th century, guiding ships into the port of Valparaíso.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

The ominously named cave is home to some remarkable ancient art.

This large round boulder is said to emit spiritual power, but it may just be magnets.