The beautiful baroque library of the Hapsburg empire.

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

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

This skewed English house has looked like it's going to fall over for centuries.

One of England's most famous churches hides a pair of little known architectural treasures.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

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

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

The "Prussian Versailles" that is as glorious today as when it was built.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

A fearsome dragon clings to a corner of Munich's city hall.

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

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

A two-inch thick solid brass rod that extends an astounding one kilometer straight into the earth.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

An oversized, oddly designed pedestrian overpass has drawn comparisons to a commode for pachyderms.

This peculiar museum offers hands-on interaction with seemingly intangible principles of mathematics.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

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

Tiny memorials honor individual victims of the Holocaust.

Cold war icon and onetime "hole" in the iron curtain.