The imperial palace of Goslar covers an area of around 340 by 180 metres, located at the foot of the Rammelsberg in the south of the town of Goslar, on which the imperial house, the former collegiate monastery St. Simon and Judas, the palace chapel of St. Ulrich and the Church of Our Lady are or were located. The imperial palace, built between 1040 and 1050 under Henry III, is a unique monument to secular architecture. For over 200 years, German and European history was written here at numerous imperial and court conventions. Palatine Chapel of St Ulrich. In the lower chapel, right in the centre of the cross, there is now a sarcophagus whose lid is adorned with a sculpture created around the middle of the 13th century: The life-size, reclining Henry III, his head resting on a pillow, The sarcophagus contains (in an octagonal, gilded capsule) the heart of Henry III, which remained in Goslar at his request and has been kept in St Ulrich's Chapel since 1884, Kaiserpfalz Goslar, G