The first map of the United States drawn and printed in America by an American was, until a few years ago, hardly known at all. Only seven original copies exist, and the best preserved is now on ...

Scientists discover massive deposits of this valuable resource sitting beneath the feet of millions of Americans.

Trains revolutionized transportation in the US. People were no longer dependent on horse-drawn carriages and natural waterways to move across the country. The rapid spread of railroads made the ...

Less than a month after the September 11 terrorist attacks on the United States, U.S. troops—with ... in 80 nations on six continents. This map is the most comprehensive depiction in civilian ...