Oslo's historic toboggan run has been letting thrill seekers slide from train stop to train stop for over a century.

One thousand trees were planted in Norway to be used to print books a century from now.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

The fairy tale castle of the "fairy-tale king."

Inside this unique festival hall, a slide leads guests down to a subterranean watering hole.

Amöneburg is a town perched on top of a basalt mountain in the middle of an ancient meteor crater.

A ruined castle stands atop a hill surrounded by dragon lore.

Twisted trees shaped by coastal winds make this woodland look like something from a spooky story.

A delightful but little-known public observatory and planetarium in Munich.

To the great disappointment of doomsdayers, this codex merely contains records of the Moon and Venus.

The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.

An abandoned train station in Munich constructed for the 1972 Olympic games.

Flowers have mysteriously appeared on her effigy every day for the last 150 years.

Shimmering sea-colored mosaics and Jesus statues cover this opulent building.

Four-story slides send people whizzing through the math department at this Munich university.

This old wooden funicular railway leads to a cemetery in the forest.

An amusement park on the grounds of an unused nuclear power plant, with a swing ride inside the cooling tower.

Each year, Germany's "City of Dragons" slays the world's largest walking robot.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

The stones of this formerly witch-obsessed castle were used to build a church.

Crop circles inspired this whimsical garden in Germany.

The many—66 to be exact—faces of the German forest.

The ruined remains of the airport Claus von Stauffenberg departed in his failed attempt to kill Adolf Hitler.