The non-native bovine herd was brought in to help conserve these Berlin wetlands.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

A former Nazi lookout tower with a magnificent view of the Rhineland.

According to legend a man pooped out the window of this tower to prove that it was straight.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

A medieval gate once used as a prison and how home to a city museum.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

One of the world's heaviest musical instruments towers within a popular urban park.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

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

When German-Iraqi relations broke down, this embassy was vacated post haste.

Floating swimming pool within a moored vessel.

This German version of Universal Studios holds a vault of treasures from the NeverEnding Story.

An abandoned underground bathroom is now a space for public art.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

Richard Luke Concanen never set foot on American soil.