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    Settled on the hilly lawns of a naval fort in upper northwest Washington, the Observatory measures the times and...

    • 3450 Massachusetts Ave NW, Washington, DC 20007
    • (202) 652-1507

    Hours may change under current circumstances

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    • Family friendly
      Family friendly
  1. Reviews

    • jcsdmeyr


      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

    • russiaplus


      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... more