- 5 St. Gallus, Kirchenstraße 30. Roman Catholic church of Ladenburg. The Gothic construction began around 1250 and was completed in 1485. (updated Dec 2020)
- 6 Lobdengau-Museum, Amtshof 1, ☏ +49 6203 70271, lobdengau-museum@stadtladenburg.de. W 15:00–18:00, Sa 14:00-17:00, Su 11:00-17:00. The former residence of the bishop of Worms was built in the area of a medieval royal court. Just like the town of Ladenburg, this little castle also has a rich history. On four levels, the museum presents the archaeology and history of the city and its former dominions. Some spectacular archaeological finds from the Roman fort and from Lopodunum form a focal point. Special exhibitions present urban historical themes and contemporary art. €3.50 for one person, €7.00 for families. (updated Dec 2020)