Before the invention of the magnetic compass, navigating with a sundial would have been difficult, particularly on overcast days. Ancient Viking lore suggests that they had a magical tool to find the ...

According to Viking legend, the marauding seafarers found their way in bad weather using glowing sunstones that revealed the position of the sun even when it was obscured by cloud or had sunk beneath ...

Ancient records tell us that the intrepid Viking seafarers who discovered Iceland, Greenland and eventually North America navigated using landmarks, birds and whales, and little else. There’s little ...