Naval Observatory, Washington DC

2.5
The United States Naval Observatory (USNO) provides a wide range of astronomical data and products, and serves as the official source of time for the U.S. Department of Defense and a standard of time for the entire United States.

The United States Naval Observatory is a fourth echelon operational command reporting to the Commander, Navy Oceanography and Meteorology Command. The Observatory's headquarters are located in Washington, DC, with field activities located at the Naval Observatory Flagstaff Station (NOFS) in Flagstaff, AZ and the USNO Alternate Master Clock located at Schriever Air Force Base near Colorado Springs, CO.
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Naval Observatory Reviews
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TripAdvisor Traveler Rating 4.0
8 reviews
TripAdvisor
  • We toured the naval observatory and were not disappointed. Loved seeing the telescope and being on the floor when it went up. The library might have been my favorite, seeing the book that got Gallileo...  more »
  • The tour is for sure geared towards adults and older kids. I would not recommend for younger kids. Very cool old library. We were able to see the moon and Jupiter on the old telescope. The night was v...  more »
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