{"nrhp_refnum":"15000195","name":"Boston National Historical Park","other_names":[],"category":"district","location":{"address":"Charlestown Navy Yard","address_restricted":false,"city":"Boston","county":"Suffolk County","state":"MA","lat":42.37564500000005,"lon":-71.05492244565215,"geom_source":"nps_gis"},"listed_date":"2015-05-05","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Military","Politics/Government","Other","Conservation","Architecture","Landscape Architecture","Engineering","Historic - Non-Aboriginal"],"significance_levels":["national","local"],"summary":null,"photo":null,"district":{"nrhp_refnum":"66000134","name":"Boston Naval Shipyard","url":"https://nationalhistoricalregister.com/districts/massachusetts/boston-naval-shipyard-66000134/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/massachusetts/suffolk-county/boston-national-historical-park-15000195/"}