The Azure Window is a spectacular natural landmark in Dwejra. It's a giant doorway, through which one can admire the blue expanse beyond the cliff.
The rocks in this area are encrusted with fossilized crustaceans, evidence that most of the island was covered by water.

The Inland Sea is an inland lagoon in Dwejra,and is perhaps the archipelago's most spectacular natural landmark.The site was created millions of years ago when two limestone caves collapsed.Fishing boats carry visitors out to sea through this tunnel,in order to see Fungus Rock and the Azure Window.