The population is spread out among 3.8 million square miles across 50 states, yet nearly one-third of Americans live in just three states: California, Texas and New York.

A hardiness zone is a geographic area with a similar average minimum temperature. The map is based on the average annual ...

The United States can be divided and subdivided into countless regions, each sharing a unique set of characteristics that set it apart from the country as a whole. You've probably heard of the ...