Big cats live in the lap of luxury at Siegfried & Roy's Secret Garden. (©MGM Resorts International)
The famous duo’s ode to preservation, where white tigers, lions and other big cats live in the lap of luxury. The adjacent 2.5 million-gallon habitat is an observation and research facility with underwater viewing areas. Open daily from 10 am-6 pm. $22 adults, $17 children 4-12.