Today, you'll delve into the geological history of Santorini. In the morning, a Local Expert will reveal the secrets of this volcanic island and its dramatic caldera, uncovering the fascinating story of its formation. The rest of the day is yours at leisure. Why not head out for a swim at Ammoudi Bay, pay a visit to the Santorini Wine Museum, or ask your Travel Director for some restaurant recommendations? Alternatively, step back in time at the prehistoric site of Akrotiri on an Optional Experience, where a Bronze Age settlement, buried by volcanic ash in the 17th century BC, offers a rare glimpse into an ancient civilization.