Old Danish castle immortalized in Shakespeare's Hamlet.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

A natural wonder in south Denmark.

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

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

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

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

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

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

This sublime architectural marvel is a rare example of an expressionist church.

Hans Christian Andersen for the postmodern world.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

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

Six beautiful wooden giants are hidden around Copenhagen.

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

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

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.

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

An impressive collection of massive radio satellites.

Contrasting the old concrete courthouse beneath, a modern and colorful residential marvel has emerged, stirring both acclaim and controversy.

A tiny town hall—in Sweden's one-time capital—might be the smallest in Europe.

This former peat factory was transformed into an observatory before being abandoned once again.

One of the longest footbridges in Europe.