One of the most important industry in usa is tourism industry . usa get level 2 in incoming tourist in 2016 by 75.6 tourist at a year . income of tourism industry was about 205.9 billion $ in 2016 that is a high digit . foreigners and tourist visit usa for it’s natural wonders , cities , entertainment and historical monument . tourism industry growth as urban tourism during last of nineteen century and first of twenty century. most important city of usa are : new York , boston , Washington , Chicago , Philadelphia . some of tourism attraction of usa are : times square , central park , union station , las vegas strip , grand central terminal , magic kingdom , Disneyland resort , golden gate bridge , Faneuil hall marketplace , golden gate park . another important thing in tourism industry in usa is sports . sports can make significant money for usa . sport event has income between 213 billion $ to 410 billion $ for usa . in 1997 , 25 percent of tourism related to sport tourism . many sport event in usa attract visitor and competitors to visit and attend on these matches .