This declassified Cold War bunker hosts a large collection of Swedish aircraft.

This museum of Viking vessels allows visitors to take a replica out for a spin.

A former top secret military tunnel is now stuffed with snow and open year-round to skiers.

This patch of land is home to Sweden's largest burial mound, allegedly belonging to a mythical king.

The official meeting point for the oddly named governing assembly of ancient Sweden.

Gravity seems to fail at this intriguing Swedish attraction.

A memorial to a Swedish hockey player's "encounter" with aliens.

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

Stockholm's last remaining paternoster elevator.

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

Sweden's oldest street has not changed for nearly a millennium.

Ancient burial grounds of the wealthy.

The suspected burial mound of legendary Viking Björn Ironside.

Despite the groans of archaeologists, this astounding groups of Bronze Age petroglyphs have been painted red for tourists.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

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.

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

An ancient Viking runestone hidden in plain view in Stockholm's old town.

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

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

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

The world's first ice hotel is still one of the most elaborate and beautiful.

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