The Black Sea port of the Byzantine Comnenes, the Hagia Sophia of Trabzon and the Sumela monastery on a cliff.
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.
The end of the Camino: the cathedral with the swinging Botafumeiro and pilgrims arriving in the Praza do Obradoiro.
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.
Bernini's vast colonnaded piazza.
Macau's iconic baroque church facade.
Monastery with a tall bell tower.
Medieval monastery carved into the hillside near Tskhinvali.
Old churches of the capital.
Join the Wednesday general audience in St Peterโs Square.
Giant hilltop statue of Christ.
The largest church in the world, a marble replica of St Peterโs standing in the African bush.
Gothic abbey ruins in the hills.
Colonial city of churches and murals.
Medieval marble monastery, UNESCO-listed.
Remote island with a vast cathedral.
Whitewashed monastery built into a sheer cliff face, the most visited pilgrimage site in the Balkans.
Hill covered in thousands of crosses.
Pine-fringed Black Sea resort with a 10th-century cathedral.
One of the worldโs oldest lakes, with Byzantine churches on the shore and a UNESCO-listed old town.
19th-century Orthodox monastery above the sea.
Fourth-century monastery where Mesrop Mashtots opened the first Armenian school.
13th-century Armenian monastery.
Soaring 1949 basilica with a green-tiled roof and pointed arches inspired by Congolese huts โ Brazzaville's landmark.
Serbian Orthodox monastery, UNESCO-listed.
Serbian Orthodox monastery with thousands of medieval frescoes, UNESCO-listed.
Monastic cells cut into cliffs high above the Dniester river.
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