This former hospital was once one of the oldest mental health facilities in Europe.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

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

An Elvis superfan built Denmark's own version of Graceland.

Along this stretch of beach in Denmark resides several massive bastions of energy.

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.

Residents of this seaside village are building a miniature 1:10 scale version of their historic town.

This museum is a portal to 20th-century Denmark.

An exhibition of preserved locomotives housed in a 1950s depot shows the history of Denmark's railway.

This antique farmhouse is one of Læsø's rare seaweed houses.

Denmark's famous pseudo-hill.

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

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

A failed attempt to control drifting sands yielded a gnarled sylvan wonderland.

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

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

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

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.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

Old Danish castle immortalized in Shakespeare's Hamlet.

A natural wonder in south Denmark.

A walkable map of the world, made from soil and stone by one man.

Six beautiful wooden giants are hidden around Copenhagen.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.