This striking clock tower was once part of the Singer sewing machine factory.

The only remaining U-boat that is still floating never actually saw any action in World War II.

This strategic isle was once swapped between empires and almost entirely destroyed in a bomb explosion.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Where the sleeping monsters of Scotland's oil industry are left to rust.

The location of this historic castle was inspired by a donkey.

Twisted buildings adorn the banks of the Rhine river.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

Life-sized bronze statues of fictional puppet characters.

This ancient oak tree plays matchmaker for singles willing to branch out from the usual dating scene.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

Go surfing on this urban wave, "hacked" by local surfers.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The final resting place for the remains of 143 Habsburg royalty.

Baroque celebration of the end of the Great Plague of Vienna.

Europe's first floating restaurant is home to a hilarious legend.

Roman ruins top white travertine terraces formed by ancient hot springs.

Constructed by forced laborers, this submarine pen is now a museum and war memorial.

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

This cheeky statue of a man defecating gold coins graces the facade of a medieval guildhall.