The most populous country in North America (the United States) is also home to some of the largest cities in North America, ...

Foreboding weather forecasts keep tensions high in Los Angeles as one of North America's largest cities battles wildfires that have already claimed at least two dozen lives and thousands of homes.

U.S. residents may be surprised to learn that North America's largest city isn't NYC, but rather a metropolis south of the border. John Coletti / Getty Images ...