The Blue Grotto (or Grotta Azzurra) is the most famous site on Capri, and it's easy to see why. The grotto is a natural sea cave with a small entrance, and it is illuminated in a blue and silver ...

The Blue Grotto, located on the island of Capri, Italy, is a beautiful underwater cave that is famous for its glowing blue waters. This natural phenomenon occurs when sunlight passes through a ...