Pentagon Aquarium

The Pentagon is the headquarters building 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 accelerated schedule during World War II. As a symbol of the U.S. military, the phrase The Pentagon is often used as a metonym for the Depart…
The Pentagon is the headquarters building 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 accelerated schedule during World War II. As a symbol of the U.S. military, the phrase The Pentagon is often used as a metonym for the Department of Defense and its leadership.
  • Architectural style: Classical Revival, Modern, and Stripped Classicism
  • Location: Richmond Hwy./VA 110 at I-395, Arlington County, Virginia, U.S.
  • Completed: 15 January 1943
  • Owner: United States Department of Defense
  • Floor count: 7 (2 underground)
  • Construction started: 11 September 1941
  • Cost: $83 million (equivalent to $1.33 billion in 2023)
Data from: en.wikipedia.org