Steve Wynn built his multi-billion dollar fortune primarily through the development and operation of high-end luxury resorts in Las Vegas. He began by taking over his father's struggling bingo parlors in Maryland after his father's death, using the profits to buy a stake in the Frontier Hotel and Casino in Las Vegas in 1967. A pivotal moment occurred in the early 1970s when he leveraged a lucrative real estate transaction involving Howard Hughes to gain control of the Golden Nugget. Wynn transformed the aging downtown casino into a premier destination, eventually expanding to Atlantic City. His most significant impact came in the 1990s with the opening of The Mirage, which popularized the "mega-resort" concept. He followed this with the opulent Treasure Island and the world-famous Bellagio. After Mirage Resorts was acquired by MGM in 2000, he launched Wynn Resorts, opening the Wynn Las Vegas and Encore, which solidified his reputation for ultra-luxury hospitality and high-stakes gaming excellence.