Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

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

A model memorial to the original Odin Tower, the second highest tower in Europe before it was sabotaged by Danish Nazis.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

These old World War II fortifications have been transformed into an unusual equine attraction.

Danish observation tower designed to look like a giant beer bottle.

This Danish art forest places loud works of contemporary art among the pensive silence of nature.

In legend, this ancient dolmen was said to have been created when a troll tried to destroy a church.

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

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

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

Four alabaster giants contemplate the tides on the shore of Denmark.

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

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

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

A collection of noses tucked inside an art museum reveals how times have changed.

Old Danish castle immortalized in Shakespeare's Hamlet.

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

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

Over 9,000 brains collected between 1945 and 1982 demonstrate the results of untreated mental illness.

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