The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

The ruined remains of the airport Claus von Stauffenberg departed in his failed attempt to kill Adolf Hitler.

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

Tiny memorials honor individual victims of the Holocaust.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

This 8th-century Bavarian monastery is home to an exquisite Baroque-era library.

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

Hamburgers are intensely proud of their tunnel beneath the river.

An elegant chandelier hangs over this ancient sewer chamber, now open for concerts and public tours.

Bursting forth from a historic German neighborhood, these day-glo palaces are now a bright fixture in the town.

After years of being casually peed on by humans, this tree is peeing back.

The history of German architecture is explored across this fairy-scale mini-city.

Thousands of flowers create enchanting pink tunnels over the city streets.

This painted Lego bridge is the product of over a century of locomotive history.

The oldest Jewish cemetery in Europe survived Hitler's Germany.

Goethe's "Faust" was inspired by these rock formations known as the "Devil's Pulpit" and "Witches' Altar."

Striking occult iconography on a medieval German church.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

This former steel and coal plant is now a neon-lit industrial fantasia.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

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

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