A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Museum dedicated to the terror regimes of Hungary.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

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

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

This futuristic German television spire is actually the world's largest digital clock.

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

This historic stone bridge has an entire neighborhood clinging to its sides.

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

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

Hamburgers are intensely proud of their tunnel beneath the river.

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

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A unique military outpost carved into a rocky outcrop in the English Channel.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

The world's largest reflecting pool is just two centimeters deep.

Historic medieval fortified city in southwest France.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?