Mount Carroll enjoys a remarkable concentration of historically and architecturally significant structures.
The bulk of the town's downtown and older residential area are included in the Mount Carroll Historic District, which encompasses 118 acres (48 ha) and was entered into the National Register of Historic Places in 1980.
Mount Carroll is also home to the Campbell Center for Historic Preservation Studies, located on the historic former Shimer College campus near the south edge of town.

The Timber Lake Playhouse, the oldest semiprofessional summer stock theater company in Illinois, is located 4 miles (6 km) southeast of Mount Carroll.

The Mount Carroll post office contains an oil on canvas mural, Rural Scene - Wakarusa Valley, painted  by Irene Bianucci in 1941.
Federally commissioned murals were produced from 1934 to 1943 in the United States through the Section of Painting and Sculpture, later called the Section of Fine Arts, of the Treasury Department.
Mount Carroll enjoys a remarkable concentration of historically and architecturally significant structures. The bulk of the town's downtown and older residential area are included in the Mount Carroll Historic District, which encompasses 118 acres (48 ha) and was entered into the National Register of Historic Places in 1980. Mount Carroll is also home to the Campbell Center for Historic Preservation Studies, located on the historic former Shimer College campus near the south edge of town.
The Timber Lake Playhouse, the oldest semiprofessional summer stock theater company in Illinois, is located 4 miles (6 km) southeast of Mount Carroll.
The Mount Carroll post office contains an oil on canvas mural, Rural Scene - Wakarusa Valley, painted  by Irene Bianucci in 1941. Federally commissioned murals were produced from 1934 to 1943 in the United States through the Section of Painting and Sculpture, later called the Section of Fine Arts, of the Treasury Department.
Mount Carroll, Illinois