The city bills itself as the Entertainment Capital of the World, and is famous for its luxurious and extremely large casino-hotels together with their associated activities. It is a top three destination in the United States for business conventions and a global leader in the hospitality industry, claiming more AAA Five Diamond hotels than any other city in the world.[8][9][10] Today, Las Vegas annually ranks as one of the world's most visited tourist destinations.[11][12] The city's tolerance for numerous forms of adult entertainment earned it the title of "Sin City",[13] and has made Las Vegas a popular setting for literature, films, television programs, and music videos.