The map, supposedly dating back to the 15th century, was a big deal because it added weight to the claim that Vikings landed in North America before Christopher Columbus.

Viking Map of North America Identified as 20th-Century Forgery New technical analysis dates Yale’s Vinland Map to the 1920s or later, not the 1440s as previously suggested.

The glacier, in Wrangell-St. Elias National Park on the state's southeastern coast, covers around 1,680 square miles (4,350 square kilometers), making it North America's largest glacier and the ...