Best place of USA for sightseeing

For the new tourist, What place do you recommend to go sightseeing in USA?

Home to world-famous theme parks that attract millions of visitors a year, like Disney World, Universal Studios and SeaWorld, it comes as no surprise that Orlando is the number one top travel destination in the U.S.

Las Vegas in Nevada is popular for its casinos, night life and other entertainment facilities. New York, Los Angeles and Chicago are also popular