A friend recently mentioned this site to me, and then a member of the local homeschooling group passed on the link.
Place the State requires you to drag and drop the state into the right spot on a completely blank U.S. map. It's a challenge to be that exact!
Lots of other free games at Sheppard Software, too. (The site is loaded with ads -- not thrilled about the Zwinky ones -- so be aware.)