Architects · National Historic Landmarks

United States Army Corps of Engineers

2 National Historic Landmarks designed by this architect in DC, built 1864 to 1899.

2 landmarks1864 to 1899DC
Built 1864 · Washington, DC
Washington Aqueduct
National Historic LandmarkListed 1973
Built 1899 · Washington, DC
Castle Gatehouse, Washington Aqueduct
National Historic LandmarkListed 1975

Every landmark

2 · oldest first
Washington AqueductNHL1973
Castle Gatehouse, Washington AqueductNHL1975