The narrowest street in the world is in danger of closing up entirely.

Carved fountains poignantly placed in parks and in front of special monuments.

The many—66 to be exact—faces of the German forest.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

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

Made from trees and then abandoned, this fence is still growing along a path in Germany.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

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

The largest brick bridge in the world.

There are two dozen tanks just sitting in an open field in Lower Saxony.

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

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 largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A stunning two-story timepiece within a medieval Brick Gothic church.

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

The final resting place of many of Germany's most famous communists.

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

As lake waters recede, a German village reemerges after more than a hundred years.

A Nazi concentration camp and Anne Frank's place of death.

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

The stones of this formerly witch-obsessed castle were used to build a church.

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