The Massac County Courthouse is located at 1 Superman Square, Metropolis, IL 62960; phone: 618-524-5011.
Massac County was created in 1843 from parts of Johnson and Pope counties.
- Aurora County Courthouse
- Lincoln House
- Raesly House
- Sweep Hotel
- Smith, William P., House
- Hilton House
- Hofmeister House
- South Dakota Department of Transportation Bridge No. 02-007-220
- South Dakota Department of Transportation Bridge No. 02-012-240