Hidden in an enchanting ravine, numerous mysterious sandstone grooves hint at ancient pagan rituals.

Bursting forth from a historic German neighborhood, these day-glo palaces are now a bright fixture in the town.

This German monument honors the so-called "Prince of Mathematicians."

Striking occult iconography on a medieval German church.

This gateway to subterranean Hanover plays jazz, pop and rock to surprised passersby.

A bronze statue of Momo, a girl holding a huge ear, sits waiting to listen to anyone who needs it.

The mass grave of the 27 victims of the "Vampire of Hanover."

An extraordinary mechanical calculator designed by the mathematician and philosopher Gottfried Leibniz.

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

An unconventional and naturalistic sculpture depicting the artist marking his territory on an exterior faculty wall.

A medieval village, with red wooden cottages around a stone church, stands as a well-preserved example of a settlement type that was once common in northern Sweden.

The remains of the observatory of the Danish astronomer who first measured the speed of light.

A small artistic "graveyard" where clichéd expressions have been buried.

This cave at the base of an unusually shaped cliff is said to be inhabited by a mythical forest enchantres from Scandinavian folklore.

After attracting attention for nearly three decades while standing in front of a church, this phallic stone sculpture is now tucked away in a campus backyard.

A quirky, larger than life sculpture on an old bunker pays tribute to an eccentric carnival entertainer.

This aged paving stone, marked by a maiden's foot imprint and the tales of her plunge from the cathedral tower, serves as a memorial to a tragic local legend.

This declassified Cold War bunker hosts a large collection of Swedish aircraft.

The place to be if you love vintage Swedish cars.

This castle ruin in the middle of nowhere is a gem for wildlife enthusiasts.

There are no crying babies in this neck of the woods.

Once the center of power for the region's various factories.

A statue of the heroic plumber stands outside a company that bluffed its way into being Nintendo's Scandinavian distributor.

Iron Age grave stones and Viking burials, a short drive from Gothenburg.