The Palace, built between 1040 and 1050 during the reign of Heinrich III, is a unique secular architecture monument.
For more than 200 years German and European history was made here. In the chapel at the south end, a stone sarcophagus
with the figure of Heinrich III houses the gold capsule containing the heart of the emperor, who died in 1056.
In the late 19th century both the Palace and the Chapel were renovated extensively.
The ground floor has an extensive exhibition of itinerant imperial rule.