The elegant manor house where Kaiser Wilhelm II lived in exile after World War I.

A grassy pyramid named after a French battle.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Colorful and chaotic stacked hotel in North Holland.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

Nestled in the woods lies this land art project: a hybrid between park, maze and natural monument.

Yo, Adrian!

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

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

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

An artificial hill and apparent calendric structure built in the Early Middle Ages immortalizes a legendary Polish princess.

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

A bronze replica of an elm tree that honors the victims that perished in Pawaik Prison.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

Christ's blood allegedly preserved in a Belgian town.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A fantastic castle rumored to be the birthplace of King Arthur.

The world's largest collection of witchcraft regalia.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

Fascinating town where normal life interfaces with the occult.