There are at least a few places where the United States relies on entertainment to boost its tourist industry.
One of most important places is Southern California. There, tourists from other countries can go to any of the many amusement parks such as Disneyland. They can also visit Hollywood and all of the attractions there that center around the entertainment industry.
A second place where entertainment is important is New York City. New York City is an important center for the theater. People come from other countries to do such things as attending Broadway plays.