Wyndham adds 40+ luxury boutique hotels from HotelREZ’s Elegant Hotels of the World to its Registry Collection Hotels brand, giving 129 million Wyndham Rewards members access to new aspirational properties.Wyndham adds 40+ luxury boutique hotels from HotelREZ’s Elegant Hotels of the World to its Registry Collection Hotels brand, giving 129 million Wyndham Rewards members access to new aspirational properties.