The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This incredible stone temple is a monument to death, victory, and fantasy architecture.

Stone carvings record the Norse myth of Sigurd, providing a glimpse into Scandinavia's transition from paganism to Christianity.

Frequent fliers welcome in this airplane hotel.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

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

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

The world's biggest floating museum in Gothenburg, Sweden.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

The last fully functional fortress of Germany's World War II Atlantikwall.

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

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

Faith and landscaping come together in a small Danish haven dubbed the "Bible Garden."

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

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

This Danish castle is supposedly haunted by a woman too independent to not be a witch.

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

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.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

The footprint of a frustrated devil in Munich's Cathedral.