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

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

This lurid German fountain plots the sad course of marriage from dating to death.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

The prototype for all Nazi concentration camps.

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

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Ruins of a German Castle on top of a towering stone pillar.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

A Jenga-style cylindrical tower of books that appears to go on forever.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

Three columns of volcanic rock shoot out of the ocean.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.