Madeola Monastery is known as "the city of the sky-middle of the sky"" more dangerous than China's hanging temple, the mountains are not high, but straight up and down, steep. In 1988, it was listed as a world cultural heritage by UNESCO. The six main monasteries are called The Holy Monastery of Great Meteoron, The Transfiguration, The Holy Monastery of Varlaam, The Holy Monastery of Rousanou, The Holy Monastery of St. Nicholas Anapausas, The Holy Monastery of St. Stephen's Monastery of St. Stephen. The Monastery of the Holy Trinity. These monasteries are built around a central courtyard surrounded by monk's rooms, chapels and canteens. The centre of the courtyard is the cathedral (Katholikon). According to reports, there is a Panshan Highway leading to various monasteries, the main asphalt road surrounded by the entire Medeaola rock area and monastery, a total length of 15 kilometers. There are also trails across the region that may be paradises for hikers or rock climbers. Tickets are 3 euros and no photos are allowed in the cathedral. There is a lookout nearby to take panoramic views of four monasteries.