The Pentagon, Military complex in Arlington, Virginia
The Pentagon is the headquarters of the United States Department of Defense.
It was built during World War II and completed in 1943.
The Pentagon has become a symbol for the U.S. military.
It is one of the world's largest office buildings, with about 6,500,000 sq ft (600,000 m2) of space.
The building was designed by American architect George Bergstrom and it's shaped like a pentagon.
Location: Arlington County
Inception: September 11, 1941
Architect: George Bergstrom
Official opening: January 15, 1943
Architectural style: Stripped Classicism
Floors above the ground: 5
Height: 21.6 m
Material: concrete, Indiana limestone
Address: 1400 Defense Pentagon 20301
Phone: +17036971776
Website: pentagontours.osd.mil/Tours
Sources: Wikimedia, OpenStreetMap