This only museum in the world dedicated solely to mushrooms.

A holy well supposedly infused with a saint's spirit flows within this quaint chapel.

The largest greenhouse in the world is home to over one million types of plants.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

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

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

An alchemical monument that represents "Earth, Air, Fire, and Water."

An authentic, seaworthy replica of the ship that sailed to Newfoundland in 1497.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

An "evil painter" included pointed symbols in this artwork to poke fun at members of the Danish Parliament.

The world's first combination ski slope and power plant.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

These morbid carvings remind churchgoers of the inevitability of death.

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

Two plaques commemorate the site of Shakespeare's first theatre.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

Traveling collection of amazing automata.

Dictionary Johnson’s favorite feline.

A naturally mummified 2,000-year-old man.