A quirky and charming restaurant founded by artists.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

A novel collection of medical curiosities housed in an 18th-century surgeon training academy.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

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

A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

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.

Iron Age "bog person" preserved for over 2,300 years.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

Scotland still bears an enormous scar of its Roman past.

This stone was once used by druids to determine a person's innocence or guilt.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

An inconspicuous footbridge beloved by San Diego locals.

A blues musician so talented that people said he must have traded his soul to the devil was born in this house.

This gravestone and its inscription inspired a movement that has spanned generations and saved countless lives.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.