Ancient mystery surrounds Stoupa, so make sure you visit the famous Diros Caves. Journey 45 kilometres from Stoupa and you'll find the mysterious Diros Caves. As you travel through the caves' narrow passageways by boat, you'll pass the many spectacular stalagmite and stalactite formations. Back in ancient times, the caves were inhabited and had many different uses including a cemetery, workshop, place of worship, shelter and storage area for goods. When the caves were discovered back in 1958, a number of skeletons were found. It was later discovered that an earthquake had trapped the cave's inhabitants inside, and their skeletons remain there today. You'll also be able to wander around a number of displays which will give you a further glimpse into the history of the Diros Caves.