A rare double mill nestled along the banks of the Aa river.

The portrait of a man from Japan who sent weekly letters to a Dutch hotel he never visited.

Remarkably preserved body discovered in a peat bog.

A bizarre form of natural mummification was discovered in the church of this Frisian village.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

Drive past the giant fruit sculptures and up to the window for a menu of fruity treats.

Visit the ancient, mysterious Roman catacombs ... in the Netherlands.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Colorful and chaotic stacked hotel in North Holland.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

A ruined castle made famous in German movies and TV productions.

If you visit the burial place of King Frederick the Great, you'll likely find a couple of potatoes sitting on his tombstone.

A peculiar trapezoidal building covered with wonderful humorous reliefs.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

A moving and macabre World War I-era painting by the great artist Otto Dix.

The final resting place of one of Germany's most accomplished Renaissance men.

A historic casino where Dostoyevsky is said to have lost it all on a single spin of the roulette wheel.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

This tremendous timepiece was once the largest cuckoo clock in the world.

The natural mummy of the less than chivalrous Knight Kahlbutz.

This massive statue is the personification of Bavaria and the first colossal statue of the modern period composed of bronze.

The name doubles as an appropriate adjective for this small ossuary.