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 ...

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

Created using data from the United States Geological Society's hydrography database, the map clearly shows the uneven natural distribution of water across the U.S. Far more rivers and lakes criss ...

A U.S. EPA report stated that 55% of U.S. rivers are in bad condition. View this beautiful interactive map for inspiration to protect these waterways.

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 United States is made up of many different regions and subregions. Government agencies have different ways of grouping the states based on geography, culture, or other factors.