Maguire House
Manadier Sanitorium
Manassas Air Force Station Joplin & Aden Rds.
Manassas National Battlefield Park Information Center
Marine Corps Hdqrs. Building (Former)
Marine Corps Memorial Chapel
Martin House
Massadale
Mawavi Historic District Prince William Forest Park
McCarren House
McCormick House
McLean
Meadow Farm Site
Meadowland (Ruins)
Methodist Parsonage in Gainesville
Merrimac Farms
Milford Bridge
Mill Creek Farm
Miller's House at Buckland
Millford Site
Mill House Museum
Mill Park
Minnieville Cemetery
Missouri Mill Site
Monroe House
Mooney House
Moor Green
Moss House
Mountain Rest
Mount Atlas
Mount Olive Church
Mount Pleasant
Mount Pleasant Baptist Church(gainesville)
Mt. Calvary Church-Jennie Dean Marker
Murphy-Davis Cemetery