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

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

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

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

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

The footprint of a frustrated devil in Munich's Cathedral.

The prototype for all Nazi concentration camps.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

Home of the largest single-phase AC generator in the world.

It has an American Dream Car exhibit, Europe's largest Formula One collection, and many, many mannequins.

A tiny chapel clings to a precipice above Germany’s gemstone capital.

The last bastion of Roman presence north of the Alps looms over a German town.

This 600-year-old home seems to defy physics.

This German bone house contains the remains of some 20,000 souls.

Legendary site where an evil bishop was devoured by rodents.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

An industrial relic is now one of Europe's most staggering art spaces.

Model Trains and Much More in Hamburg.

A spitting ode to a German serial killer.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

The only microgravity tower in Europe can produce nine seconds of weightlessness.