Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The hollow trunk of this 650-year-old tree was used as a hideout by two Jewish brothers during World War II.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

A hill carving of the legendary dragon that terrorized the village of Bures in the Middle Ages.

Renaissance villa and gardens complete with a tormented colossus.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Hop aboard a charming bog train to explore this rare open-air museum of peat.

A small Denmark town displays a pair of titanic jaw bones as their community symbol.

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

A public display of random paleontology.

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

From buck blood to Theriak miracle tonic, this collection of Renaissance chemist's gear look's like a wizard's pantry.

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.

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

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

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.

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

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