The Monastery of Rousanou. #

People descend stone stairs from a monastery in Meteora. #

An evening view of the Monastery of Varlaam, with the Monastery of Rousanou visible in the background. #

The skulls of deceased monks in an ossuary are seen through a locked door at the Megalo Meteoro, or "Metamorphisis monastery," in Meteora on April 11, 2007. #

Visitors look inside the Megalo Meteoro Monastery. #

Visitors look at an old lifting system inside the Monastery of Agia Triada in Meteora. #

The Monastery of Rousanou and Monastery of St. Nicholas Anapausas. #

A cable car used by monks at the Great Meteora Monastery. #

The Rousanou Monastery. #

Lights from the village of Kalambaka illuminate the cliffs of Meteora at night. #

The Monastery of St. Nicholas Anapausas, viewed at night under the Milky Way. #

The Rousanou Monastery above a mist-filled valley. #

A small kitchen garden built precariously on a huge eroded granite boulder outside the Monastery of St. Stephen. #

The interior of the church of the Nunnery of Saint Roussanou, photographed on May 14, 2013. #

A carpenter's workshop inside the Monastery of Great Meteoron. #

The Rousanou Monastery, amid the unique cliffs of Meteora. #

Walkways, terraces, roads, and bridges—the landscape of Meteora. #

Buildings of the village of Kalabaka can be seen below the Rousanou Monastery. #

The village of Kalampaka, at the foot of the Meteora rock formation. #

The small Monastery of Ypapanti, originally built into a cave on a cliffside in Meteora in the 14th century. #

The Monastery of Varlaam, the second largest monastery in Meteora. #

An Orthodox priest takes a cable car to the Monastery of the Holy Trinity on May 9, 2008. #

The Monastery of the Holy Trinity. #

Doupiani rock, center, part of the Meteora rock formation, surrounded by autumn colors in central Greece. #