Monreale's cathedral, built by William II, dates to 1172 and is now part of a larger UNESCO World Heritage Site that also encompasses the Royal Palace and the Palermo Cathedral, among other sites.

MONREALE, Italy — The mosaics of a mediaeval cathedral in Sicily, built by the island’s last Norman king, are set to regain their golden lustre thanks to careful restoration work and new lighting.

On a hill overlooking the city of Palermo, in Sicily, sits a lesser-known gem of Italian art: the cathedral of Monreale. Built in the 12th century under Norman rule, it boasts Italy's largest ...