5 surprising facts about Leonardo da Vinci

Friendship is the cure for what ails us

Marine animals come to life in massive murals around the world

Why the giant heads of 43 presidents are sitting in a field in Virginia

Danish island embraces trash-free lifestyle

Ancient Guatemalans crafted massive sculptures using lightning and magnetism

'Gruesome Grannies' and 10-year-olds shut down London for the Extinction Rebellion

Atlanta to Appalachia: My unlikely journey from urban gridlock to country living

After the fire, the fate of Notre Dame's relics comes into view

10 breathtaking stained-glass windows

The colorful, fantastical world of Dale Chihuly

You don't need a 'Game of Thrones' dire wolf