The Cathedral of St. Domnius is one of the most imposing structures of Split. Meant to be the Diocletian’s mausoleum, this cathedral is built upon 24 columns all of which have been preserved well till date. The circular crown in the dome that separates the two rows of pillars features detailed carvings of cupids, masks, and human heads. The bell tower is its main attractions after climbing which you can enjoy sweeping views of the city and the surrounding sea. There is also a treasury that houses sacral artworks, 13th-century chalices, and containers, ancient garments and books dating back to the 6th century. Do visit it for a journey into the antiquity of Split!
It is also possible to climb the bell tower for amazing views down onto the Old Town and out to sea.