Think you know everything about the United States? Think again! This video reveals 50 incredible US geography facts that sound too strange to be true, but every single one is 100% real. From ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Here is an index map of 20 major timber types in the United States as ...

Are you sure you really need to load up Google Maps? Or is it time to learn how to read road maps and mile markers for your ...

Amtrak provides a vital service to U.S. commuters; however, many states have limited access to its train network, and several ...

The United States has two different kinds of long-distance roads, and one system predates the other by decades. Here are the ...

BACKGROUND: Previous research suggests that exposures to air pollution and nonoptimal temperatures are associated with a ...