Metéora (Greek: Μετέωρα, “suspended in the air”) is an outstanding complex of giant rock formations near the town of Kalambaka, in the district of Thessaly. The rocks rise over 400 metres above Kalambaka and the valley of river Peneus.
It is still unclear how these rocks were formed, but it is estimated that this happened approximately 60 million years ago. The most prevalent theory about their formation is through a big river that brought geological material, such as rocks, stones and minerals, to the region. Continuous weathering by rain, wind, as well as earthquakes, gave them their present shape. It still remains a mystery [...]