This landmark retreat on Lake Como has 152 opulent rooms spread between a 16th-century mansion and the adjoining Queen's Pavilion. It's set among celebrated gardens, planted with jasmine, oleander and magnolia trees. There's also an outdoor pool that appears to float on the lake.
Villa d'Este, via Regina 40, Cernobbio, Lake Como, Italy (00 39 031 3481; villadeste.it). Doubles start at €430, including breakfast.