The most photographed, most celebrated, and most consistently extraordinary island destination in the entire Mediterranean — a crescent-shaped caldera of ancient volcanic origin whose whitewashed Cycladic villages cascading down clifftops above the deep blue Aegean Sea have defined the world’s understanding of Greek island beauty, romantic travel, and Mediterranean magnificence for generations. Where Oia’s iconic blue-domed churches glow in the extraordinary afternoon light above a caldera formed by one of the most powerful volcanic eruptions in human recorded history, the ancient ruins of Akrotiri’s Minoan Bronze Age city whisper of a civilisation lost beneath volcanic ash 3,600 years ago, and the extraordinary Fira to Oia caldera walk rewards every traveller who completes it with a succession of views so breathtakingly and so consistently magnificent that each new perspective appears more extraordinary than the last.