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Naval Observatory

3450 Massachusetts Ave NW, (Enter at 37 Observation Cir), Washington DC, DC 20392-0001
+1 202-652-1507
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  • Excellent38%
  • Very good25%
  • Average25%
  • Poor0%
  • Terrible12%
Travellers talk about
“telescope” (3 reviews)
“scientific” (2 reviews)
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Hours Today: 9:00 AM - 5:00 PM
3450 Massachusetts Ave NW, (Enter at 37 Observation Cir), Washington DC, DC 20392-0001
+1 202-652-1507
Write a ReviewReviews (8)
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Reviewed 27 June 2017

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 killed was a rush!

Thank jcsdmeyr
Reviewed 9 May 2017

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 very clear and cold. Overall enjoyed the...More

Thank russiaplus
Reviewed 11 April 2017

We had to sign up in advance to get a tour. The whole purpose of this scientific site is to provide exact positioning, navigation and timing for the US Navy. The Vice President's house is also located on the property and the place is heavily...More

1  Thank oceanqueen
Reviewed 2 June 2016 via mobile

We were walking back from the National Cathedral when we heard a cacophony of sirens coming up Massachusetts Avenue. SUVs with sirens and lights, two limousines followed by more SUVs, one with its back window open and an armed secret service man pointing an automatic...More

Thank McWett
Reviewed 26 July 2015 via mobile

We went there and they were not doing tours anymore. We were all very disappointed that we went all the way there and had to turn around. Waste most of the day on this.

Thank Bridgette M
Reviewed 6 November 2014

I found out that the Vice President's home is located here with in the gates. It looked very pretty driving by in our taxi.

Thank donparrett
Reviewed 30 June 2014

We were not sure what to expect, but it was a little disappointing. The tour started with information about Time-which was interesting at first. If the tour started closer to dark and the group was smaller there would not be the need to spend so...More

2  Thank KAREN T
Reviewed 19 March 2013

The Vice President’s house is on the grounds of the U.S. Naval Observatory at One, Observatory Circle. While no tours are available, you can get your photo taken ‘in front of’ this house. Here’s how. Take a trip up Massachusetts Avenue, enjoying the various Embassies...More

10  Thank etweeden
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