Article Photos: How to get around D.C. on July 4



A person watches from Arlington along the shore of the Potomac River as fireworks are shot over the National Mall in Washington on July 4, 2011. (Photo by Brendan Smialowski/Getty Images)

A person watches from Arlington along the shore of the Potomac River as fireworks are shot over the National Mall in Washington on July 4, 2011. (Photo by Brendan Smialowski/Getty Images)