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?

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

This ancient theater was once the home of fierce gladiatorial battles.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A whimsical bridge adorned with decorative dragons.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

Structure built from the skulls of vanquished foes.