Celebrate this special day and join the Delaware Museum of Natural History to  play games, see how water gets from us to the ocean, and learn ways you can save water. You may even see some of the resident shellfish that call Winterthur home. It’s program will be a whale of a good time! Registration required. Visit www.delmnh.org to register.   $25 per family. $20 per Member family of Winterthur and Delaware Museum of Natural History.