A statue of the second-tallest Dutchman in history.

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

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

A limestone wonderland of water and subterranean secrets.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Structure built from the skulls of vanquished foes.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

England's most notorious suicide spot.

Largest lake in Great Britain measured by surface area.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The deepest metro station in the world.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

One of the world’s best microminiaturist, Nicolaï Siadristy displays his lifetime of tiny creations in this museum.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

340-foot statue built to honour the Heroes of the Soviet Union.

This derelict superstructure was a very important warning system for the Soviet military.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

The history of sea-faring refuse and disaster is on cramped display in this Netherlands folk museum.

Wind power station for making famous Ketel One vodka.

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

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

A grassy pyramid named after a French battle.