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

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

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

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.

The largest cave in Northern Europe.

A reconstructed farm shows what life was like in Norway 1,500 years ago.

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

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

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

Walk behind a 50-meter-high waterfall.

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

Home to three historic ships from the age of Vikings.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.