Arlington - Pentagon

The Pentagon in Arlington is the headquarters of the United States Department of Defense. The building itself, known for being the highest occupancy office building in the United States, is a five sided building with a central courtyard. The Pentagon has seven floors, two of which are underground.

At 6,500,000 square feet the Pentagon holds 29,000 personnel. The architectural style is known as Stripped Neo-Classical and it took 16 months to build with crews working 24 hours a day, 7 days a week.