Boston if you want to see the birthplace of America. There are a lot of historical sites to see. New England aquarium is quite impressive. It’s huge. There’s the science museum. You can visit the grave sites of our forefathers.
St. Louis has the arch, the symphony, six flags, Grant’s Farm, the zoo, the Magic House, art museum.
San Francisco is like New York but more relax. Pier 39, Fisherman’s Wharf if you like the beach. You can also take a boat ride to Alcatraz.
Santa Monica is a beach paradise.
Orlando has Disney world.