A casino, or gambling house, is a building where various types of gambling activities take place. A modern casino is like an indoor amusement park for adults, with the majority of the entertainment (and profits) coming from games of chance. Slot machines, blackjack, roulette, craps, and poker are just some of the games that give casinos their reputation as places where people can risk money for fun.
In order to attract players, casinos offer a variety of perks. These bonuses are often called comps and can include free hotel rooms, meals, tickets to shows or even limo service and airline tickets for high rollers. The purpose of these perks is to encourage people to gamble more and to reward loyal players.
Casinos also have a strict policy on security. Security personnel patrol the floor, watching over patrons and games to prevent cheating or other crimes. Dealers are trained to spot blatant cheating, such as palming or marking cards and can spot suspicious betting patterns. There are also cameras in the ceiling, sometimes referred to as the eye in the sky, that watch every table, change window and doorway and can be adjusted to focus on specific patrons by security workers in a separate room filled with banks of monitors.
There are thousands of casinos in the world, from the iconic Bellagio in Las Vegas to illegal pai gow parlors in Chinatown. They all draw in crowds of visitors and are a source of billions of dollars in profits each year. Despite the glamour and elaborate themes, casinos would not exist without games of chance.