No one knows who's responsible for decorating this tunnel with stuffed animals, but the people love it enough to protest their removal.

This luxury hotel suite is located deep in the bowels of an old mine.

Street artists transformed this abandoned industrial neighborhood into one of Europe's largest graffiti exhibitions.

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.

Crooked windswept pines give this old forest an enchanted and magical look.

This chimerical bridge/tunnel appears to dead end right into the sea.

Stockholm's deepest subway station is also a stunning ecological wonder.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

Sweden's "good old days" painstakingly re-created in a model village.

Micro-nation based around a nine-story high illegally built tower.

Bring your hiking shoes, wool socks, and thermal underwear for a stay in these cozy forest huts.

It houses the remains of a 17th-century version of the Titanic.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

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

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

The smallest museum in Basel, Switzerland, is a two-foot-by-two-foot window in the door of a 600-year-old house.

A 200-year-old tavern challenges guests to finish a glass of wine while hanging from a ceiling beam.

Unconventional site where the tracks of Zurich tramcars intersect.

Zurich's evolution museum hosts a unique collection of skeletons among its natural history treasures.

One of the world's largest collections of pharmaceutical artifacts.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.