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

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

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

An intricately carved Viking church overlooks a glistening fjord.

Walk 2,300 feet above the ground on the "Troll's Tongue."

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

An artist's mausoleum with a haunting echo.

Striking occult iconography on a medieval German church.

The mass grave of the 27 victims of the "Vampire of Hanover."

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

This serene wooded hilltop has a dark history as the climactic point of the Swedish witch trials.

The 19th-century home of Count and Countess von Hallwyl is now a museum.

Legend says this fabled well held part of a mythical Norse tree.

The ruins of a monastery where Saint Bridget of Sweden had her revelations recorded.

Tucked away in a downtown Stockholm park are the remains of a World War II defense position.

This tiny Swedish troll protects the land and all who wander within it.

This collection of Dwarf beech trees were once believed to be enchanted trolls in disguise.

A Bronze Age stone ship said to be the grave of the mythical founder of Gotland.

Sweden's southernmost prehistoric rock art is hidden just outside Gothenburg.

Archaeologists are still unraveling the secrets of the brutal massacre that wiped out this ancient fort.

This mysterious runestone embedded in a church wall is linked to the medieval cult of Saint Erik.

Ancient stone graves shaped like ships provided a Viking-like burial to carry the dead to the afterlife.

Finally reunited, the three effigies now stand in a museum courtyard.