Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

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

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

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

This historic Art Nouveau townhouse was the former home of the son of a famous chemical inventor and industrialist.

Cozy basement bar sports an inventory of over 2,000 beers.

The tallest church in Mechelen might have been the tallest in the world if not for a lack of funds.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

A battle between nature and architecture in the Cambodian jungle.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Khmer Rouge's high security prison.

One of the biggest markets in Asia, under one of the continent's largest domes.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

More than 100 Hindu temples are slowly being swallowed by the forest.

Housed in an old British jail, this spot serves up Georgian, Russian, and Ukrainian specialities with a side of Turkish history.

Ancient serpentine sacrifice holder that has stood the test of time.

1513 Turkish world map, full of European state secrets and snarky commentary.

A section of the long chain that blocked enemy ships from entering Constantinople.

A state-of-the-art medical facility dedicated to treating beloved birds of prey.

Qatar's oldest market can trace its origins back more than a century.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

The building is a gigantic piece of art inspired by the shape of a desert rose.

In the middle of a barren desert, a massive, solitary rocky thumb juts out.

A network of tunnels runs underneath the buildings of this ancient village.