The White City of colonial churches and the most solemn Holy Week processions in the Americas.
Palm-lined Lake Tana, its island monasteries and the Blue Nile falls.
The Basilica of the Annunciation, the largest church in the Middle East, and an Arab old-town market.
Hot springs and the Sea of Galilee, 200 metres below sea level, with Capernaum along the shore.
The 6th-century mosaic map of the Holy Land on a church floor, and Mount Nebo next door.
Onion domes over meadows: five monasteries and thirty churches in a town with no buildings taller than two storeys.
The Black Sea port of the Byzantine Comnenes, the Hagia Sophia of Trabzon and the Sumela monastery on a cliff.
The end of the Camino: the cathedral with the swinging Botafumeiro and pilgrims arriving in the Praza do Obradoiro.
The Bagrati cathedral, Gelati monastery and the Prometheus cave, in the capital of ancient Colchis.
Portugal's oldest city and its religious heart, with the baroque stairway of Bom Jesus do Monte.
Hungary's largest church on a hill above the Danube bend, the old royal and religious capital.
The cathedral where Thomas Becket was murdered in 1170, the destination of Chaucer's pilgrims.
Britain's smallest city: a cathedral in a hollow where the patron saint of Wales was born.
Colonial city of churches and murals.
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