Rila Monastery is definitely a must-see if you are a tourist with a free day in Sofia. The arcaded balconies, the unique frescoes – a work of one of the most famous Bulgarian Revival Period painters, the gilded iconostasis, the fabulous mountain views. and the unique combination of them all makes the visit to the monastery extraordinary and memorable one. You will have around an hour of free time at the Rila Monastery to explore the most visited UNESCO site in Bulgaria, enter the main church and take photos of the narthex’s gallery, admire the exhibits in the History Museum of the Monastery, try the tasty Bulgarian donuts with delicious buffalo’s yogurt (local specialty) or even have a short walk in the area;

The Boyana Church's frescoes bring epochal change in the mural painting and are considered predecessors of the European Renaissance. The majority of more than 240 figures depicted there have individuality, vitality and psychological depth.