The Pentagon

The Pentagon is the headquarters of the United States Department of Defense, in Arlington County, Virginia, across the Potomac River from Washington, D.C. The building was constructed on an... Wikipedia

• Style:  Classical Revival, Modern, and Stripped Classicism
• Location:  Richmond Hwy/SR 110 at I-395, Arlington County, Virginia, U.S.
• Construction started:  September 11, 1941
• Completed:  January 15, 1943
• Cost:  $83 million (equivalent to $ in Error: undefined index "US-GDP" when using.)
• Owner:  United States Department of Defense
• Roof:  77 ft (23.47 m)
• Floors:  7 (2 underground)
• Floor area:  6,636,360 sq ft (616,538.02 m²)
• Architect:  George Bergstrom, David J. Witmer
• Main contractor:  John McShain, Inc.
• Parking:  67 acres
• Data source:  DuckDuckGo