This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

One of downtown Berlin's last reminders of its Communist past.

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

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

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

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A hands-off space for graffiti artists to hone and display their skills.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

Art and a pun, all in one.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Climb inside an iron crystal magnified 165 billion times its normal size.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.