A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

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

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

The library's graceful rotunda is like a bibliophile's temple.

The second oldest anatomical theater is housed in a museum of curiosities.

Ancient burial grounds of the wealthy.

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

A 200-year-old collection of medical paraphernalia in a historic house.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

Mysterious man-made rock piles form an ancient cemetery on this rocky beach in Norway.

St George's Leprosy Museum depicts the gruesome afflictions of those suffering from the disease.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

Tens of thousands of tiny bottles stuffed with various items.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

An artist's mausoleum with a haunting echo.

An intricately carved Viking church overlooks a glistening fjord.

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

Once the scene of a young boy's home in revolt, this Norwegian island is now home to the world's first "ecological" prison.

According to legend, this boat-shaped henge is built over the grave of a mythic king.

This encrypted monolith protected a secret of Norse mythology by hiding in a church wall for over a millennium.