The legendary hotel played host to the duke and duchess of Cambridge on their first official visit to America. They weren't the first Windsors to stay at the hotel, either: Princess Margaret and Antony Armstrong-Jones stayed there during a tour while they were married, and the duke and duchess of Windsor spent time there as well. With private bungalows in the heart of Beverly Hills, it's long been a popular choice for its old-Hollywood glamour and its relative privacy.