The Torelló settlement was one of the largest in the municipal area of Mahón. It is especially well known for the spectacular talaiot (called the Talayot of Torellonet Vell) which is interesting because at the top of the tower you can still see the original doorway and the lintel above it, both of which date from the Talayotic period (1000-700 BCE).
Unfortunately, the structure was damaged by the triangulation pillar and the airport-runway approach lights that were placed on the tower platform. An archaeological dig carried out on the site in the 1980s unearthed lamps dating from the period of Imperial Rome plus the remains of fine Roman pottery.Of all the structures identified in the settlement, the most interesting are a second talayot (much smaller in size); the foundations of several houses; a couple of artificial caves; plus a water catchment system made up tanks or cisterns and channels.
References: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.