The island, named Tofua, consists mainly of a massive ring-like caldera left by an explosive eruption millions of years ago. The caldera's steep walls stand up to 1,690 feet (515 meters ...

Not only will the weather be cooler and the crowds thinner, the caldera will be bathed in a gorgeous pale pink light. – Sarah Souli The best way to take in Santorini’s beauty is to walk ...