The Pentagon Memorial, commemorating victims in the September 11 attacks (Source)
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Arlington County Virginia Tech Innovative Campus Project (Source)
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Aerial view of the growth pattern in Arlington County. High density, mixed-use development is concentrated within 1/4 to 1/2 mile from the county's Metrorail stations, such as in Rosslyn, Courthouse, and Clarendon (shown in red from upper left to lower right). (Source)
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1812 N Moore (right) and Turnberry Tower (left) (Source)
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Park Four, former US Airways headquarters in Crystal City (Source)
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Virginia Hospital Center, the fifth[update]-largest employer in Arlington County (Source)
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Arlington Memorial Amphitheater hosts major Veterans Day and Memorial Day events. (Source)
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Marine Corps War Memorial, commonly known as the Iwo Jima Memorial, at Arlington Ridge Park (Source)
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The Pentagon looking northeast with the Potomac River and Washington Monument in the distance (Source)
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Arlington County Aquatic and Fitness Center (Source)
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I-395 southbound in Arlington, near The Pentagon (Source)
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The BallstonMU station serving the Orange and Silver lines of the Washington Metro. Arlington is home to the first suburban stations on the Washington Metrorail system. (Source)
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Ronald Reagan Washington National Airport (Source)
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Arlington's bicycle sharing service provided by Capital Bikeshare located near Pentagon City (Source)
The faade of Arlington House (background), once the residence of Confederate General Robert E. Lee, appears on Arlington's seal, flag, and logo. (Source)
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An 1878 map of Alexandria County with the removal of Alexandria (Source)