A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Northern Ireland's Brobdingnagian stepping stones.

Famously misunderstood wonder of the ancient world

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

A collection of 4,000 thimbles that's more versatile than one might imagine.

Nestled on the banks of a river in Nuremberg is a small museum that was once home of the city's official executioner.

An officers prison camp believed to be impregnable by the Germans saw over 30 successful escapes.

Tiny castle in the middle of the Rhine made you pay to pass.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Legendary site where an evil bishop was devoured by rodents.

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

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

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

A tiny chapel clings to a precipice above Germany’s gemstone capital.

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

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

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

The oldest Jewish cemetery in Europe survived Hitler's Germany.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

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

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

This 600-year-old home seems to defy physics.