What is Roar and Explore? Chessington World of Adventures Resort is proud to hold annual Roar and Explore evenings in aid of the Chessington Conservation Fund (CCF). For more information and upcoming events please visit here. Related articles How many Friends and Family tickets can I purchase with my Merlin Annual Pass? What are Zoo Days? Will any Rides/Attractions be closed for my visit? Do you offer Free Teacher Preview Days? How do I purchase Merlin Annual Pass Friends and Family tickets?