Saint John of the Rock, San Juan de la Pena Monastery in Aragon, northern Spain, on the pilgrimage route...

...to Santiago de Compostella at a safe mountainside location and built into and beneath a huge rock...

...with carved columns depicting biblical scenes in one of its few outdoor areas...

...received the chalice of the Last Supper, or Holy Grail, in 1071 for safe keeping during the Moorish invasion. This replica is now displayed...

...nowadays pilgrims leave coins in the water flow where monks once suffered pennance