Altamira Castle, also known as Alcázar de la Señoría, located next to the Municipal Park in Elche. It was originally built in Almohad times (12th-13th centuries), and was later renovated with brick exterior in the 15th century. A former fortress, in 1913 it became a fabric plant, it has also been used as the town hall and as a prison during the Spanish Civil War, while today is home to the Elche Archaeology and History Museum.
The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.