At Waldorf AstoriaŽ Hotels & Resorts, ConradŽ Hotels & Resorts, Canopy™ by Hilton, Hilton Hotels & Resorts, Curio - A Collection by Hilton and DoubleTree by Hilton™ and Tapestry Collection by Hilton™ properties, Diamond Hilton Honors Members will receive upgrades to preferred rooms, based on availability at the time of arrival (excludes Napua Tower at Grand Wailea and Imperial Floor at Rome Cavalieri). Upgrades for Diamond Hilton Honors Members may include upgrades up to “junior”, “standard” or “one-bedroom” suites. Upgrades may also be rooms with desirable views, corner rooms, rooms on high floors, rooms with special amenities or rooms on Executive Floors Upgrades. Upgrades exclude executive suites, villas and specialty accommodations (which may include, but not limited to, "Vista" and "Villa" accommodation types), subject to the discretion of the hotel.