This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

Ancient paintings known as the "Sistine Chapel of Cave Art."

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

This museum houses an imposing skeleton army comprised of creatures great and small.

The oldest stone house in Paris was built by its most famous alchemist.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Finnish lake, and scene of an infamous murder mystery.

Quality time with reindeer in the stunning scenery of their natural Lappish habitat above the Arctic Circle.

In Faroese legend, this sinister horse-shaped beast lures unsuspecting passersby only to drown them in the lake.

Two well-hidden huts let animal lovers spend the night among the bears, wolves, and other predators of the forest.

This small Estonian hill is covered in hand-made twig crosses that are said to bring good luck.

This Denmark theme park is part family attraction, part experimental archaeology project.

Preserved "bog person" that is over 2,000 years old.

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

Old Danish castle immortalized in Shakespeare's Hamlet.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A church of bones, decorated with 40,000 human skeletons.

This no man's land slicing through the island is strewn with abandoned relics of another time.

A magical museum of fairy tale treasures near Cyprus' buffer zone.

The water here is so clear you can see the mysteriously sunken ship from the surface.

A castle perched precariously over the Crimean Sea.