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

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

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

This fantastic cave remained unexplored until 1948 when three schoolboys discovered a hidden entrance.

A forest of immensely tall and unusually straight oak trees planted nearly 200 years ago to build naval ships that never came to be.

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

This castle ruin in the middle of nowhere is a gem for wildlife enthusiasts.

An otherworldly, fossil-rich cobble beach holds Viking graves, cairns, and other remains.

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

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

Stone carvings record the Norse myth of Sigurd, providing a glimpse into Scandinavia's transition from paganism to Christianity.

Hundreds of mossy stones engraved with bits of philosophy, literature and random musings.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

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

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

The single richest source of elemental discoveries in the world.

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

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

A floating underwater hotel, created by a Swedish artist.

A golden egg-shaped sauna in the Arctic tundra.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

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