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.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

Hans Christian Andersen for the postmodern world.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

The world's largest maze is a nature park with nearly 200 decision points.

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

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

Iron Age "bog person" preserved for over 2,300 years.

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

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

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

A natural wonder in south Denmark.

Old Danish castle immortalized in Shakespeare's Hamlet.

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

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

Six beautiful wooden giants are hidden around Copenhagen.

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

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

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

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

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

Copenhagen's celebrated theme park and gardens.

A monument to the small town of master violin makers and its countless luthiers.