The United States dollar is out of date and bland. The fact that we celebrate the dead and not the living isn't encouraging kids to be great.
Travis Purrington designed a concept for the USD in 2014. It promotes ideas and science. It will make the United States look as advanced as we are and add some modern traits to our old-school ways.
Here is the concept: http://www.travispurrington.com/211378/2317660/gallery/2014-usd-proposal