Old Naval Observatory
Historic structure
Old Naval Observatory is a historic place in District of Columbia, District of Columbia, listed on the National Register of Historic Places on 1966-10-15.
Place facts
- Category
- Historic structure
- Resource type
- Building
- State
- District of Columbia (DC)
- County
- District of Columbia
- NRHP reference number
- 66000864
- Coordinates
- 38.89502, -77.05145
- Listed on the National Register
- 1966-10-15
- City
- Washington
- National Historic Landmark
- Yes
Location
Published coordinates: 38.89502, -77.05145. These are the coordinates as published by the source; they are never estimated or geocoded.
Sources
Every fact on this page comes from the registered datasets below, cited per claim and carried through an independently verified content release.
- Listing recordNational Park Service, nps.nrhp-listed (version 2026-05-22), NRHP reference 66000864
- CoordinatesNational Park Service, nps.nrhp-points-dc (version 2026-08-26), NRHP reference 66000864