Skellig Michael is a small island off the southwest coast Ireland that was occupied by monks from around 650 until some time in the 11th century.
The island is steep and rocky, with no anchorage, so it is difficult to reach in rough weather.
The main monastery is this small group of stone beehive huts, clinging to the side of the hill.
Perhaps the most remarkable feature is the small monks' graveyard.
But for monks who wanted an even more ascetic existence, even rougher shelters were built high on the top of the ridge. An amazing place, and amazing to think that for generations went there, seeking God.