Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

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

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

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

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The most famous location in China was home to whole dynasties worth of imperial rulers.

A naturally occurring tunnel in this Nordic mountain makes it look like it's been shot.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

A large collection of ancient runestones decorates this university courtyard.

A nightly tradition fills the streets of Flogsta with a collective scream.

This small cafe aims to empower acid attack victims and stop violence against women in India.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

This unique building in the main square stands out among the city's typically Baroque architecture.

This subterranean necropolis holds three floors of antler-dug grave caves.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

The most visited, and possibly most controversial, museum in Germany.