Printable maps are available at The National Map, a site run by the U.S. Geological Survey. They have a variety of U.S. maps formatted to size of 8.5 by 11 inches. Education Place has printable U.S and world maps for personal or classroom use.
The printable maps on The National Map site include Congressional Districts for the 113th Congress, Federal Lands and Indian Reservations, and Time Zones. Education Place has both physical and political maps, as well as world and regional maps. There are also printable historical maps of America such as The 13 British Colonies and the U.S. in 1860.