Siegfried and Roy, famed Vegas personalities for their performances with animals, have a hidden wildlife habitat tucked away inside the Mirage Las Vegas. The Secret Garden & Dolphin Habitat provides an up-close look at white lions, leopards and bottlenose dolphins. The attraction is open daily from 10 a.m. to 6:30 p.m. All-day passes are $19.95 for adults, $14.95 for kids ages 4 to 12, and free for children under 4. Special packages are available, such as the Dolphin Trainer for a Day for children 13 and older, Painting with the Dolphins for children 8 and up, and VIP Tours.