Car: not necessary
For those conducting business or visiting these offices, they are within walking distance:
The Security and Exchange Commission (SEC),
The Thurgood Marshal Federal Building,
Senate & House Office Buildings,
The U.S. Capitol,
The U.S. Supreme Court,
The Library of Congress,
Folger's Shakespeare Library and Theatre,
Union Station is one block away
Also easily accessible: By walking or Metro
Eastern Market
The National Mall and Smithsonian Museums, Lincoln Memorial, vietnam Memorial Wall
The Tidal Basin – site of the Jefferson Memorial and Cherry Blossoms, National Building Museum,
or Union Station metro (One Block away)
Chinatown restaurants and other attractions,
Verizon Center – concert and sports venue,
NEW National Stadium for the Washington Nationals baseball team
Spy Museum
Newseum
Children's Museum