Meteora is a huge cluster of dark rocks rising out of Trikala, near the first heights of Pindus and Hasia. The monasteries of Meteora, which is built on top of some rocks, is now the second most important monastery complex in Greece after Mount Athos. Of the thirty who have been historically, currently operating only six, which by 1988 included in world heritage list of UNESCO.
(Translation from Wikipedia)
Photo taken in Kalampaka, Greece
Trekking Hellas Δυτικής Θεσσαλίας Αναρρίχηση στα Μετέωρα