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

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

The 20-mile causeway that separates the Netherlands from the sea.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

This memorial museum chronicles the apocalyptic destruction of the First World War.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

A young Italian couple has been locked in an embrace for over 6,000 years.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

The bones of some 7,000 soldiers killed in the historic Battle of Solferino are stored here.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

This aging storage facility is the world's largest brick warehouse.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The Liverpool street made famous by the Beatles is real.

The quiet field that inspired one of the most famous songs of all time.

The medieval prince founded the first library in Ukraine at Saint Sophia's Cathedral where he was interred.

This unique Lady Liberty is one of the only examples of the figure sitting down.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

The deepest metro station in the world.

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

In the land of the Light Brigade stands a testament to the Cold War.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.