Siegfried & Roy's Secret Garden and Dolphin Habitat at the Mirage Hotel and Casino. White tigers, lions, leopards and panthers in Las Vegas? Siegfried & Roy's Secret Garden features them all — plus the Dolphin Habitat — at the world-class Mirage Hotel and Casino. Wander past grassy enclosures to see big cats and adorable cubs, then watch the playful antics of bottlenose dolphins in their tank from an underwater viewing area. This daytime diversion is perfect for the entire family! Book with us and Save 6% Off Siegfried & Roy's Secret Garden and Dolphin Habitat at the Mirage Hotel and Casino.