The Marshall County Courthouse is located at 600 7th Street, Moundsville, WV 26041; phone: 304-845-2130.
Lying along the Mason-Dixon Line (the county's southern border) and the Ohio River (the county's western border) Marshall County was established in 1835 from part of Ohio County.
- 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