Incredible Viking Fortresses in Pictures

For thousands of years humans have built imposing fortifications to protect themselves from outside forces and to project their might across

Video - Viking Age fortresses on the North Frisian islands - Archaeology Orkney

Laser Tech Reveals 1,000-Year-Old Viking Ring Fortress in Denmark

Visit the best Viking sites in Denmark - VisitDenmark

Incredible Viking Ring Fortress Discovered In Denmark

1,231 Viking Fortress Stock Photos - Free & Royalty-Free Stock Photos from Dreamstime

25 Fortress Of Trelleborg Stock Photos, High-Res Pictures, and Images - Getty Images

Incredible Viking Fortresses in Pictures

Trelleborg Collection of Photo Prints and Gifts

Viking Heritage Tour of Scandinavia - Firebird Tours ®

Viking Age ring fortresses inscribed on UNESCO World Heritage List ++ARCHIVE++