A subterranean house of worship carved right out of the bedrock.

This unique architectural wonder is home to luxury apartments.

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 monument to the three wars that led to German unification towers within a Berlin traffic circle.

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

A Danish fisherman spent 25 years covering nearly every inch of his home with tens of thousands of shells as a gift to his wife.

Hidden in plain sight on a gable between two towers on the roof of shipping firm F. Laeisz' headquarter in Hamburg sits an unexpected bronze sculpture.

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

This red light district plaza memorializes the Fab Four and their historic connection to the area.

Remnants of an exploded schooner and wrecked submarines form a breakwater.

These unique stained glass windows were designed by local children using a modern flair.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

These waste baskets play a few risque messages to discourage littering.

Once a meeting point for great thinkers, and the midpoint of the country.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

This ordinary street was made infamous by a legendary visit from the devil.

The traveling wares of Denmark's most famous author.

Generations have refused to move this doll from its dusty resting place to preserve a castle from a watery fate.

After funding was cut for a memorial to the Danish author, the sculptor had his statue ceremonially lowered into the city harbor.

This risqué sculpture, based on a Hans Christian Andersen fairy tale, caused outrage 35 years after it was erected.

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.

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

This floating sculpture of ice is a poignant reminder of nature's power.

Remnants of the Nazis' occupation of Denmark linger along the sand.