On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The attic of a four-century-old canal house hides a clandestine church.

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

The last bastion of Roman presence north of the Alps looms over a German town.

This modest marker near Notre Dame identifies the very center of Paris.

The celebrated eyesore created by starry-eyed sweethearts.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A giant Troll lurks under one of Seattle's oldest bridges.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

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

This Polish cave has housed a dragon, a brothel, and an enduring legend.