Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

The prototype for all Nazi concentration camps.

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

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

A comedic homage to a beloved German actor.

A beloved street vendor is memorialized outside a German train station.

A 1:2 billion-scale solar system leads visitors into this German university town.

One of the oldest student jails in Germany.

The Goose Girl of Göttingen, Germany might well be the most kissed girl in the world.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

A Nazi concentration camp and Anne Frank's place of death.

A set of beech hedges planted in the 19th century forms a tunnel that takes on a different appearance in every season.

The largest airborne operation in history was launched to capture this bridge.

The ruins of a medieval castle that once belonged to one of the most powerful families in the Netherlands.

This residence straddles a border between Belgium and the Netherlands.

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

This building once stood at the center of a butter war.

A reconstructed World War I-era communications array that was once hidden in plain sight.

Not many houses move across borders, this one did it twice.

A tribute to smugglers and the Butter Wars.

A curious stone in a public square commemorates the victims of witch-burning.

The birthplace of the titular coat and related products celebrates its claim to fame with a statue of a coat.

A piece of stonework relief commemorates the site where the Devil's rage, and odd apparel, destroyed a house.