This paper aims to explain how the idea of Realverso Lucanum was born, what technical basis was used to develop it, and what motivations have been moving the team of iInformatica in the last year to realize this project. The potential offered by Realverso includes the tourist enhancement of attractions in the Lucanian territory, thanks to the signing of agreements with ten municipalities in the Basilicata region and the engagement with reproductions of real-world places, allowing users to be aware of historical and cultural facts. Moreover, Realverso is a metaverse with a vocation to sustainability. This is because within it, the dynamics of environmental protection and education for sustainable behavior are re-proposed, and they can be traced back to many of the UN 2030 Agenda points.