Casino is a gambling establishment that offers a variety of gambling games. It may also offer other amenities such as restaurants, bars, and live entertainment. Casinos are most often located in resort destinations, but are also found in cities with large populations of tourists. Some of the world’s most famous casinos include the Bellagio in Las Vegas, the Casino de Monte-Carlo in Monaco, and the Casino Lisboa in Lisbon, Portugal.

Although legal gambling in some form has existed for thousands of years, the modern casino has its roots in the early 19th century. These establishments were often run by gangsters and mafia bosses, who used them to launder money and fund organized crime. The mob’s control over casino operations stifled growth until real estate investors and hotel chains realized the potential profits and bought out many of the gangsters. Casinos spread rapidly throughout the United States during the 1980s and ’90s, and many now compete with each other for customers.

To lure gamblers, casinos employ a number of psychological tricks. For example, they use bright, sometimes gaudy floor and wall coverings that are meant to stimulate the senses and encourage gambling. Casinos also employ waiters circulating through the gambling areas who offer free drinks. Gambling machines are often tuned to play music electronically and emit various bleeps and clangs that attract attention. The casinos also employ the color red, which is believed to make people lose track of time and make them spend more money.