- Linking the Nation: Transportation & Communication Milestones
- Hot Air Balloons to Steps on the Moon: Aviation Milestones
- Main Streets and Miracle Miles Heritage Route
- War of 1812 and the Battle of Bladensburg
- Battle Lines: Prince George’s County in the Civil War (January 2012 – Special countywide publication)
- Trail Blazing Stories of African-American History
- Painting the Town: Arts & Humanities Heritage Route
- Festivals and Farmers Markets
- Urban Outdoor Adventures Heritage Route
- Fields and Farms: Agriculture Heritage Route
- Community History & Walking Tours