Volunteering project “Dry stone wall extravaganza 4-5” aim at promoting Archaeological site Colentum as valuable part of Europe’s cultural heritage. Projects took place in Murter (Murter Island, Croatia) during one-month period from mid-September till mid-October in 2018 and 2019. The objective of the project was to improve knowledge and raise awareness about values of cultural/archaeological heritage as common European value and its potential in terms of sustainable development of rural communities. Thirty young participants (15 in Autumn Service 2018, 15 in Autumn Service 2019) from Spain, Italy, Poland, Turkey and Bulgaria helped hosting organization in various outdoor/manual activities at the Archaeological site Colentum which aimed at renewing dry stone walls surrounding the site and indoor promotional activities for the site and the project.Volunteers organized different activities to get local/regional community and visitors aware of a values and potentials of a cultural/archaeological site. Volunteers gained benefit from the project in personal, professional, and social development; partner organizations (sending and hosting) established strong relations in youth/civil sector. The reached aims of project activities were to encourage participation of young people in sustainable development, to motivate local/regional young people for active participation in NGO projects in order to inspire them for social entrepreneurship and to raise awareness about local resources that are still not recognized as economic development factors. Project was also an efficient tool for presentation of the Erasmus+ programme as a way to promote European common interest such as cultural heritage.