view of melissani cave located on the island of kefalonia in greece.

hydrogeology melisani nymphs cave cavern cefalonia cenote cephalonia cliff destination doline excursion geology greece greek groundwater hole hollow ionian island karst kefallonia kefalonia lake landmark landscape limnetic limnic mediterranean melissani mellisani nature nymphaion picturesque rock sami scenic seacave sightseeing tour tourism travel underground vacation view water