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 ...

In Sicily, sightseeing is always more than 'just ... and set aside half a day for the trip up to lofty Monreale, whose cathedral boasts yet more dazzling Norman-era mosaics.