Lost Underground Rivers
Cities like London and New York City have a long history of paving over rivers.
Geography is Destiny: Britain and the World | Book Review
Ian Morris provides a most-useful survey history of Britain from geologic time to the present centered around three maps.
Population Center of the United States
Every ten years, the U.S. Census Bureau maps out the mean and median population centers in the United States.
What is the Difference Between the Continental and Contiguous United States?
Continental and contiguous are two geographical words used to describe parts of the United States.