Leonardo Ugolini has been a sand sculptor for over 30 years. He creates giant structures with only water and sand and showcases them around the world.

If you’ve ever been to Bermuda, you’ve probably seen their famous pink-sand beaches, made up of the shells of tiny sea creatures. Or if you’ve traveled to Hawaii, you may have visited black-sand ...

After hundreds of years of development, Philadelphia has lost much of the organic matter, minerals, sand and clay that make up natural soil. Instead, underneath our feet is lots of "rubble, debris and ...