Florida (all over), Utah (in a quarry), Bonaire, Curacao, Cozumel, Akumal, Ambergris Caye, Roatan, British Virgin Islands, American Virgin Islands, Truk Lagoon, Palau, Cayos Cachnios (Honduras), Utila (Honduras), Big Cayman and Little Cayman, Fiji, the Georgia Aquarium (whale sharks), Cabo...