- Upper Castle Siegen
- Villa Waldrich
- St. Mary's Church in Siegen
- Hospital of St. Mary in Siegen
- Church of St. Nicholas in Siegen
- Church of St. Michael in Siegen
- Building of the former Reichsbank
- Church of St. Martin in Siegen
- Museum of Contemporary Art in Siegen
- Evangelical Church Marienkirche Gelnhausen
- Church of Sts. Peter and Paul in Siegen
- Apollo Theater in Siegen