Casinos are gambling establishments that offer a variety of games of chance. They may also host shows, restaurants and bars. Many casinos are located in Las Vegas and other major cities. Casinos are regulated by governments to ensure fair play and prevent criminal activities.
The modern casino is like an indoor amusement park for adults, with most of the entertainment (and profits for the owners) coming from gambling. Slot machines, blackjack, roulette and other table games account for billions of dollars in revenue each year. Musical shows, lighted fountains and themed hotels draw in the crowds.
Every casino game has a built in advantage for the house, and it is rare for a gambler to walk away a winner after just one visit. That advantage explains why the casino business is so profitable.
To offset the edge, casinos rely on customer service and other ways to maximize profit. They encourage patrons to spend more than they intended by offering perks such as complimentary food, drinks and hotel rooms. They reward big bettors with free tickets to show and travel packages. They even charge a small fee, known as the rake, on poker games and other table-games where skill is important.
Although the history of casino gaming stretches back thousands of years, the modern casino industry is relatively new. In the United States, the first legal casinos opened in Atlantic City in 1978 and then spread throughout Nevada and beyond. In the 1980s casinos began appearing on American Indian reservations, which were exempt from state antigambling laws. By the 2000s casino resorts were opening in a number of other states.