St. Martin’s Church in Sindelfingen is one of the oldest churches in Wurttemberg and the Stuttgart region. It was built in the 11th century, opening in 1083. The church is a Romanesque triple naved pillar basilica with a free standing tower. The eastern end has three apses and a Gothic sacristy. The church is still in use today with regular services, and also holds concerts in the summer. It is open to visitors daily.