In around 1600 BC, Santorini (known as Thera back then) was devastated by a colossal volcanic eruption, causing the center of the island to collapse deep into the ocean.
If you’re a fan of wine, one of the coolest things to do in Santorini is to go wine tasting at a local vineyard. To visit multiple vineyards, it’s best to sign up for a tour, so you don’t have to worry about driving.
For some of the best sights in Santorini, follow the volcanic trail leading from Fira to Oia. The 6-mile hike skirts the edge of the caldera and connects the two cities.
Tucked away on the 1,200 foot-high Mesa Vouno mountain, this historic spot dates all the way back to the 9th century BC and includes long-lost pieces from the Byzantine, Roman, and Hellenic eras.