More than 50,000 trees were purchased from Marseille and fertile soil was brought from the mouth of the Kamchiya River.
Constantine and Helena, the Euxinograd royal summer palace, park and winery, and the Sofia University Botanical Garden, also known as Ecopark Varna.
Four other sites are undergoing conservation and will be added to the museum roster: the 4th-5th-century episcopal basilica on Khan Krum Street; the basilica and monastery of the same period at Dzhanavara; the 9th-10th-century Theotokos monastery and scriptorium of the Preslav Literary School at Pchelina; and the Mediaeval fortified settlement of Kastritsi at Euxinograd.