Constitution GardensvsManhattan Project National Historical Park
Manhattan Project National Historical Park has a higher Total Area (114 vs 39 acres), while Constitution Gardens has a higher Longitude (-77 vs -84 °), while Constitution Gardens has a higher Latitude (39 vs 36 °).
Location & Classification
Other Designation
Designation
National Historical Park
DC
State(s)
NM
39
Latitude
36
-77
Longitude
-84
Size & Visitation
39
Total Area
114
N/A
Annual Visitors (2025)
56,390
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Data sourced from NPS Boundary & Tract Data Service (US Government (public domain)), NPS Visitor Use Statistics (2025) (CC0 (public domain)), NPS Acreage Report (Q1 2026) (US Government (public domain)).