Viking Sunstone Accurate As A Magnetic Compass! | Expedition Unknown
9:58
New Evidence Explains Why Maya Civilization Collapsed | Expedition Unknown
20:18
Did the Vikings use the sunstone for navigation?
9:55
Cryptographer Proves Treasure Map Was A Red Herring! | Expedition Unknown
9:34
Uncovering The Mysterious Truth Behind The Nazca Geoglyphs | Expedition Unknown
10:35
Uncovering Harold Bluetooth's Hidden City | Expedition Unknown | Discovery Channel
6:22
Experiments in Viking Navigation Viking Sun Stone
51:19
Sur la trace des Celtes
9:53