Howstuffworks Videos "How Washington, D.C. Works: Washington, D.C City Guide"

From the frigid northern stretches of Canada to the tropical Florida Keys, North America is an incredibly huge and diverse continent. Explore its varied regions in this video channel.

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How Washington, D.C. Works: Washington, D.C City Guide: Washington, D.C. is full of historical monuments and it attracts 20 million people annually. Learn more about Washington, D.C. in this HowStuffWorks video.; How Washington, D.C. Works: Washington, D.C City Guide