The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

The first (but not only) upside-down house in Germany.

The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

This strategic isle was once swapped between empires and almost entirely destroyed in a bomb explosion.

Hotel designed by indie graphics artists.

This quiet bird sanctuary on the Danish coast is home to something not usually found in a conservation area: hunters' cabins.

An artist has turned what most people would consider a bathroom nightmare into a work of political art.

Danish observation tower designed to look like a giant beer bottle.

Over 9,000 brains collected between 1945 and 1982 demonstrate the results of untreated mental illness.

These old World War II fortifications have been transformed into an unusual equine attraction.

An old Danish political institution where members of government can grab a drink off the record.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Denmark’s never-ending bridge.

Dozens of musicians have planted trees in this Danish park, and donated songs to go with them.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

The greatest amusement park in the world is wall-to-wall farting dogs, puking rats, and cows with exposed breasts for the whole family.

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

An old limestone mine transformed into a beautiful and unusual sculpture museum.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

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

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

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.