St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

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

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Liechtenstein's royal family calls this medieval alpine castle home.

It's good luck to be mocked by this monkey.

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

A unique showroom for bathroom fixtures featuring a giant toilet observation deck.

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

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

Stroll through Welsh history in a village of reconstructed structures.

Recently restored menagerie of Victorian-era beasts.

The castle still holds traces of the abandoned Roman fort it was built atop.

Nearly 2 billion seeds from 38,000 species are stored and processed at this visitable facility in a quiet corner of England.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

These enlarged egg sculptures represent the native birds of eastern Iceland.

This replica Viking village was created for a film that was never shot and is now open to visitors.

This elegant arc of a waterfall marks a religious turning point.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

A Wes Anderson-esque lighthouse that boasts magnificent coastal views.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.