Book our Greek Island tour packages to visit Kefalonia one of Ionian Islands and let the caves of the island amaze you! Explore the Lake Cave of Melissani, that is also called Cave of the Nymphs, the Cave of Drogarati with the fantastic stalactites and stalagmites and stalagmites, the Castle of Saint George and the Lighthouse of Argostoli with the impressive architectural style. Swim at Myrtos beach, ranked as the best beach in Greece and among the best beaches in the world!