South Dakota, US
Duncan Church, also known as Saint Placidus Catholic Church, is a historic church near Gann Valley, South Dakota. It is located southwest of Crow Creek, about 2 miles (3.2 km) south of the county line. It is about 13 miles (21 km) north and west of Gann Valley. It was built in 1927 and was added to
the National Register in 1999. It is a basilica plan church about 28 by 42 feet (8.5 m × 12.8 m) in size. It has clapboard siding and a gable roof.
Listen to the audio guide for Duncan Church Free on WIP — starts by itself when you arrive, even with the screen off