Most of the caves that tourists are interested in can be found on the coasts of Milos. The caves are called Papafrangas, Sykia, and Kleftiko. You can find Papafrangos in the north, Sykia in the west and Kleftiko in the south. You can go to Papafrangos from the main road. It is like a tunnel with an entrance from the sea. This cave is best visited at sunset. There are many caves of different sizes within this network of caves. These caves are known for their white rock formations.