The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

This museum houses an imposing skeleton army comprised of creatures great and small.

A haunting collection of the vanished and disappearing natural world.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The most visited, and possibly most controversial, museum in Germany.

The last king of Poland was interred in this church nearly 200 years after his death.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

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

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

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

One of the world's largest collections of medieval religious art.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.