Stone carvings record the Norse myth of Sigurd, providing a glimpse into Scandinavia's transition from paganism to Christianity.

This wonky bit of historical taxidermy is experiencing a second life online.

If there is one thing you don't want to be in Sweden during Christmas, it's a Yule Goat.

This luxury hotel suite is located deep in the bowels of an old mine.

The second oldest anatomical theater is housed in a museum of curiosities.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

It houses the remains of a 17th-century version of the Titanic.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

A museum dedicated to a Cold War era sausage.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

These spartan apartments are provided to clergymen visiting Vatican City.

A hidden workshop for creating and restoring Papal mosaic masterpieces.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

A fountain standing as a testament to a doomed alliance.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

The first museum in the world devoted to sexual gadgetry.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

Once the home of a hermetic monk, this cave now houses a small church.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.