Walk through Czech history in Prague's largest graveyard.

Macabre astrological automaton clock dating to the late 1400s.

The best place in the world to buy tinned fish.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This bridge was constructed from the rubble of the infamous Bastille.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

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

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

The largest mosque in Germany.

If the tunes of antique organs and musical marionettes don't intoxicate you, the draft beer certainly will.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

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

A church filled with the bones of hundreds of virgins martyrs—or so they say.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

This platform is now a memorial dedicated to those who were deported during the Holocaust.

One of the world's heaviest musical instruments towers within a popular urban park.

Metro station with a claim to rock n' roll fame.

Tiny memorials honor individual victims of the Holocaust.