Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

There have been 307 hurricanes that made landfall in the mainland United States since records began in 1851, ... "When doing the US landfall map, it occurred to me just how active the 1880s were.

Here are United States Forest Service geographic maps defining the 20 major forest cover types in the United States and where common trees are most often located based on frequency of occurrence.

The federal government, including the military, is changing the name on maps to "Gulf of America." Even Google suggested it would make the change.