The MIRAGE is a Las Vegas attraction located on the Las Vegas Strip. It is a 3, 044 room hotel and casino resort that opened in 1989. The MIRAGE is known for its iconic volcano feature, which erupts nightly. It also features a dolphin habitat, a 20, 000-gallon saltwater aquarium, and a variety of other attractions. The MIRAGE is one of the most popular attractions in Las Vegas and has been featured in numerous films and television shows.