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

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

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

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

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

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

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

Denmark's famous pseudo-hill.

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

A public display of random paleontology.

Denmark’s never-ending bridge.

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

An air of mystery pervades this modern-day singing Stonehenge.

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.

A natural wonder in south Denmark.