10The Blue Grotto in Capri, Italy
The island of Capri, Italy has an emblem, which is a sea cave located at the coast of the island. Tourists visiting Capri are mesmerized by the brilliant glow of emerald and blue. Basically, the glow are derived from a couple of sources. The small opening at the entrance way is one of them, while the other one comes from the bigger hole under the entrance towards the cave. Click the next ARROW to see the next image!