Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

Unchanged for centuries, this medieval library keeps its books in chains.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

A monument hidden in the woods built in 1938 as a getaway for a Dutch museum curator.

Ruins of an aerial tramway that ran for only eight years.

Remains of a huge radio tower.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

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

Fantastic views and thousands of love locks.

Germany has its very own Centralia, whose spark remains attributed to "spontaneous combustion."

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

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

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

The Suurhusen church tower in Germany leans over farther than the famous Leaning Tower of Pisa.

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

Amöneburg is a town perched on top of a basalt mountain in the middle of an ancient meteor crater.

Giant wind turbine with observation deck at the very top.

The only remaining U-boat that is still floating never actually saw any action in World War II.

Remnants of a cone-shaped Nazi bomb shelter.

The NASA scientists behind Apollo 11 started out developing Nazi weapons at this abandoned German rocket factory.

The abandoned mine where American troops discovered a treasure trove of art and artifacts hidden by the Nazis.

A strange rock formation with numerous legends trying to explain it.