Be amazed at the magnificence of the universe at United States Naval Observatory. There's so much to be discovered beyond our pale blue dot, from black holes and stars to planets light-years away.

You'll be spoiled for sightseeing choice when visiting Northwest. United States Naval Observatory is a good place to kick off here, but there are plenty of other fine places to appreciate. White House, Arlington National Cemetery, and Lincoln Memorial are not far from the out-of-this-world attraction and will top off your day nicely.

Plan a trip to see United States Naval Observatory

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Hotel Arboretum

Northeast

Save 100% on your flight

$221

per person

Dec 16 - Dec 20

found 1 day ago

Roundtrip flight included

Atlanta (ATL) to Washington (DCA)

8/10 Very Good! (1,099 reviews)

The hotel was clean, staff courteous, and room spacious and clean. Also breakfast was good basic but good.

Reviewed on Nov 8, 2025

Courtyard by Marriott Baltimore Downtown/Inner Harbor

Harbor East

Save 100% on your flight

$309

per person

Jan 15 - Jan 19

found 1 day ago

Roundtrip flight included

Dallas (DFW) to Baltimore (BWI)

9/10 Wonderful! (1,006 reviews)

We were in an ajoining room suite on one side only. The bolt lock to the ajoining room was not locked nd could not be locked. Ajoining room was noisy until 11pm when we confronted them Bed mattress was very uncomfortable (hard and lumpy)

Reviewed on Oct 26, 2025

Hotel Belvoir Springfield

Save 100% on your flight

$288

per person

Dec 25 - Dec 31

found 4 hours ago

Roundtrip flight included

Atlanta (ATL) to Washington (DCA)

8.4/10 Very Good! (1,007 reviews)

Everything was awesome stayed here 3 times allways a great experience

Reviewed on Oct 26, 2025

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