Big cave in the mountains in Crete. There's a stairway, lights and a tomb inside.

Beach in Crete, with man made caves on the rocky mountain side.

A waterfall and a small cave with it's own small waterfall inside, in Alcaria, Portugal.

Nerja beach, close to Málaga, Spain.

Hike from Perissa up to the ruins of ancient Thera, and then down to Kamari and a boat trip back to Perissa. Santorini, Greece.