The geology is largely formed of sedimentary limestone from sea beds more than 25 million years old and casts of fossils are common, especially around Dwejra. The softer Globergerina and the harder Coralline limestone have eroded at different rates giving the island rolling valleys and hills. This also contributes to the stunning underwater topography which is a major factor in Gozo’s popularity as a diving destination.
Gozo has always been largely self-sufficient, the fertile soil allowing land to be farmed on terraces of vegetables, vines and orchards.
On the southern coast immense and beautiful cliffs which drop 140 metres to the sea have formed at Ta’ Cenc: a breeding ground for the Scopoli Shearwater.
At Xaghra, one of the biggest villages of Gozo are Ggantija Temples, a windmill museum and a toy museum.