Visit León

St Petersburg’s onion-domed church, lined inside with 7,000 m² of mosaic.

Fifteenth-century monasteries frescoed inside and out, still vivid.

Serbian Orthodox monastery with thousands of medieval frescoes, UNESCO-listed.

Medieval marble monastery, UNESCO-listed.

The sixth-century mosaic map of the Holy Land on the floor of St George’s Church — the oldest surviving map of the region.

Twelfth-century monastery city carved storey upon storey into a cliff face.

The largest surviving Romanesque church in Europe, built for pilgrims on the road to Santiago and topped by a five-tier octagonal bell tower.

Medieval cathedral, round tower and Cormac’s Chapel crowning a limestone outcrop where St Patrick baptised a king.