U.S. Geography Facts You Didn't Learn in School | Reader's Digest
View as slideshow Culture Do you think you know everything about the good ol' U.S. of A.? These fascinating U.S. geography facts are guaranteed to blow your mind. shutterstock (2) During a period called the "Last Glacial Maximum" over 20,000 years ago, the states of Nevada, Utah, Oregon, and California contained bodies of water so huge they rivaled the Great Lakes.
Geography (from Greek γεωγραφία, geographia, lit. "earth description") is a field of science devoted to the study of the lands, the features, the inhabitants, and the phenomena of Earth. A literal translation would be "to describe or picture or write about the earth". The first person to use the word "geography" was Eratosthenes (276-194 BC).
The Eisenhower interstate system requires that one-mile in every five must be straight. These straight sections are usable as airstrips in times of war or other emergencies. Chances that a road is unpaved in the U.S.A. : 1%, in Canada : 75%. The deepest hole ever made in the world is in Texas.