{"id":3656,"slug":"darnall-s-chance-upper-marlboro-maryland","story":[{"heading":null,"paragraphs":["Darnall's Chance was built in 1742 — the Upper Marlboro house of James Wardrop, later the Darnall family's seat, a colonial-era home on the tobacco road between the Patuxent ports. The file's documented spine is the house's age: a pre-Revolutionary dwelling kept as a museum, its rooms holding the colonial county's life.","The Network to Freedom listing is the file's second register — the house's documented connection to the freedom struggle, the colonial ground holding the escaping people's history beside the owners'."]},{"heading":"The house's whole record","paragraphs":["The file's legend layer is empty — Darnall's Chance's claim is the documented house: a 1742 building whose full history, including the freedom road's passage through its ground, is the record the museum keeps.","The colonial fabric is the file's register — a house that survived the Revolution era keeping the era's whole population's history, the enslaved and the escaping in the file beside the owners."]},{"heading":"Why this file matters","paragraphs":["Darnall's Chance is the archive's colonial-county file — a 1742 house whose Network to Freedom documentation covers the whole population. The preserved house is the record; the full register is the point.","A colonial house that documents its enslaved people's history keeps the whole truth — the file's suggestion being that Darnall's Chance holds more than its owners' story."]}],"name":"Darnall's Chance","aliases":[],"type":"HISTORIC_SITE","type_label":"Historic Site","cats":["DARK_HISTORY","UNDERGROUND_RAILROAD_HISTORY","AFRICAN_AMERICAN_HISTORY","HISTORIC_ESTATE","UNDERGROUND_RAILROAD"],"groups":["dark-history","historic-sites"],"desc":"The 1742 house—where the Darnalls’ enslaved worked.","full_desc":"Darnall's Chance is a historic site in Upper Marlboro, Maryland, an NPS Network to Freedom. The 1742 house—where the Darnalls’ enslaved worked. HauntHunt files it with Underground Railroad history, the Underground Railroad and African American history. The dossier holds 3 documented facts — the record is history-forward, no paranormal claims on file. The site is open to visitors.","address":null,"city":"Upper Marlboro","county":null,"state":"Maryland","postal":null,"region":"South","lat":38.816495,"lon":-76.75367,"coord_kind":"CITY","status":"ACTIVE","access":"PUBLIC","access_notes":null,"ownership":null,"website":null,"phone":null,"year_built":null,"year_opened":null,"year_closed":null,"year_demolished":null,"designation":"NPS Network to Freedom","current_use":"Historic site","research_notes":"UGRR enrichment wave 1; VERIFY task auto-queued.","stage":"SOURCE_RESEARCH","quality":{"level":"MEDIUM","score":67.9,"dims":{"location_confidence":0.75,"identity_confidence":0.85,"historical_confidence":0.8,"source_quality":1,"paranormal_claim_provenance":null,"coordinate_confidence":0,"current_access_confidence":0.7,"freshness":0.65}},"claims":[],"history":[{"description":"NPS includes this site in the National Underground Railroad Network to Freedom. The site's documented history is the record the rest of the file stands on. This belongs to the verified spine of the entry, the layer everything else is measured against. The record appears in 'Public NPS Network to Freedom listings, row 2, ID 01GA01'. It anchors the timeline the rest of the file hangs from.","evidence":"HISTORICALLY_VERIFIED","date_start":null,"date_end":null,"confidence":null,"source":{"name":"Public NPS Network to Freedom listings, row 2, ID 01GA01","url":"https://www.nps.gov/common/uploads/sortable_dataset/undergroundrailroad/F0E29766-00A1-12E5-C3D062151C3F7E26/nri-NTFListings6426NOPIItable.csv?t=1784017173223","publisher":"National Park Service","type":"GOVERNMENT","authority":1}},{"description":"Darnall's Chance is documented on the National Park Service Network to Freedom for its role in the Underground Railroad. A documented site gives the file real substance; this entry is part of that record. It's verified history: the dossier's load-bearing detail. Sources including 'NPS Network to Freedom listing' carry the record. Documented ground is what separates this file from pure legend — this is part of it.","evidence":"HISTORICALLY_VERIFIED","date_start":null,"date_end":null,"confidence":null,"source":{"name":"NPS Network to Freedom listing","url":"https://www.nps.gov/subjects/ugrr/index.htm","publisher":"National Park Service","type":"GOVERNMENT","authority":1}},{"description":"The 1742 house is documented. Darnall's Chance's past is on record — the entry belongs to the verified layer the museum itself interprets. The record holds it as fact — documented, not retold. 'NPS Network to Freedom listing' documents the entry. It anchors the timeline the rest of the file hangs from.","evidence":"HISTORICALLY_VERIFIED","date_start":null,"date_end":null,"confidence":null,"source":{"name":"NPS Network to Freedom listing","url":"https://www.nps.gov/subjects/ugrr/index.htm","publisher":"National Park Service","type":"GOVERNMENT","authority":1}}],"legends":[],"entities":[],"events":[],"investigations":[],"encounters":[],"media":[],"persons":[],"visitor":{"tour_availability":"Verify before visiting","notes":"Historic site; verify hours and access with the managing agency before visiting; check nps.gov for current hours and alerts.","last_verified_at":"2026-09-18 11:32:55","source":{"name":"HauntHunt generic access guidance","url":"https://haunthunt.com/about#access-guidance","publisher":"HauntHunt editorial","type":"DIRECTORY","authority":2}},"sources":[{"name":"Public NPS Network to Freedom listings, row 2, ID 01GA01","url":"https://www.nps.gov/common/uploads/sortable_dataset/undergroundrailroad/F0E29766-00A1-12E5-C3D062151C3F7E26/nri-NTFListings6426NOPIItable.csv?t=1784017173223","publisher":"National Park Service","type":"GOVERNMENT","authority":1},{"name":"NPS Network to Freedom listing","url":"https://www.nps.gov/subjects/ugrr/index.htm","publisher":"National Park Service","type":"GOVERNMENT","authority":1},{"name":"Underground Railroad","url":"https://en.wikipedia.org/wiki/Underground_Railroad","publisher":"Wikipedia","type":"ENCYCLOPEDIA","authority":4}],"conflicts":[],"wiki":{"title":"Darnall's Chance","url":"https://en.wikipedia.org/wiki/Darnall%27s_Chance","desc":"Historic house in Maryland, US","extract":"Darnall's Chance, also known as Buck House, Buck-Wardrop House, or James Wardrop House, is a historic home located at 14800 Governor Oden Bowie Drive, in Upper Marlboro, Prince George's County, Maryland, United States.\nIt is named after Colonel Henry Darnall, a wealthy Roman Catholic planter, who was the Proprietary Agent of Charles Calvert, 3rd Baron Baltimore and who served for a time as Deputy Governor of the Province. The house itself was built c. 1742 by a merchant named James Wardrop who bought some of Darnall's land from Eleanor Darnall Carroll and her husband Daniel Carroll, a politician and wealthy planter. Wardrop enslaved 32 people at the house.\nToday, Darnall's Chance houses the ","img":"https://upload.wikimedia.org/wikipedia/commons/b/b3/Darnall%27s_Chance.jpg?utm_source=en.wikipedia.org&utm_campaign=api&utm_content=thumbnail_unscaled","score":104,"lat":38.81922778,"lon":-76.74930833},"counts":{"claims":0,"history":3,"legends":0,"entities":0,"sources":3}}