These 20 maps offer an overview of the economy, demographics, geography and history of the country of 335 million people as voters head to the polls.

The United States could see some drastic changes if climate change is not addressed, but they aren't depicted on this map.

Consider the US at the time of its founding. The colonial United States existed on a relatively thin strip between the Appalachian Mountains and the Atlantic Ocean.

Imus map of the United States. So what makes this map different from the Rand McNally version you can buy at a bookstore? Or from the dusty National Geographic pull-down mounted in your child’s ...

The “Eagle Map of the United States, Engraved for Rudiments of National Knowledge” first appeared in an 1833 atlas published by E.L. Carey and A. Hart of Philadelphia.

The fact that we've kept the number of U.S. states relatively static is nothing short a miracle—there have been hundreds of attempts at state secession ...

Seven additional states have reported measles cases since the CDC issued an emergency warning at the end of January.