The most extravagant casinos have to be seen to be believed, as they are often colossal temples of decadence adorned with opulent furnishings and overflowing bars. Whether they are engulfed by the lights of Las Vegas or are housed in opulent resorts, these casinos offer an experience that is sure to delight even the most discerning gamblers.

Casinos are typically divided into three distinct categories: gaming machines, table games and random number games. Gaming machines are operated by electronic devices and do not require the involvement of casino employees. Table games, such as blackjack and craps, involve one or more players who are competing against the casino, and are conducted by live croupiers. Random number games use a series of randomly generated numbers that are selected by a computerized random number generator (RNG).

Although casino gambling is mostly a game of chance, there is often a degree of skill involved in some games. This is particularly the case with poker, where skilled players can minimize the inherent long-term advantage of the casino, known as the house edge or vigorish. Casinos are regulated to ensure that they do not exploit their patrons and are required to make their games fair.

The glamorous casino-hotel at Monte Carlo, in the principality of Monaco, is the epitome of a lavish casino, and has been featured in many James Bond movies. In the United States, Caesars Palace on the Las Vegas Strip is another world-class casino with Roman-themed architecture and a long list of star entertainment.