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 ...

Catie Leary writes and curates visual stories about science, animals, the arts ... Known for its gorgeous blue water, Italy's Blue Grotto is one of the most famous sea caves in the world.