Discover Denmark's Viking Age Ring-Shaped Fortresses

Discover the five ring-shaped Viking fortresses that were built during the early Middle Ages in Denmark as either trading posts or military bases.

Trelleborg – reconstructed Viking ring fortress

Viking ring fortress, artwork - Stock Image - C015/0324 - Science Photo Library

Discover Denmark's Viking Age Ring-Shaped Fortresses

Harald Bluetooth and the Ring-Castle at Trelleborg

Danish Viking King Harald Bluetooth built a network of ring fortresses. Why?

Danish Viking King Harald Bluetooth built a network of ring fortresses. Why?

Incredible Viking Fortresses in Pictures

Archaeologists in Denmark Have Unearthed a 10th-Century Viking Hall Deemed to Be the Largest Discovery of Its Kind in a Decade

Borgring, Vikingeborgen ved Køge

Brave Enough to Burn Down a Viking Fortress?

Trelleborg Viking Fortress, Denmark

Harald Bluetooth's palisades: Majestic Viking Age timberworks constructed more than 1,000 years ago

Viking-Age Ring Fortresses - UNESCO World Heritage Centre

New Viking Ring Fortress Discovered in Denmark

Archaeologists Uncover the First Viking Fortress Found in 60 Years