Which are the best places in USA?

Las Vegas, Nevada is the largest center for adult entertainment in the entire world. It offers gambling, glitzy entertainment and unbelievably extravagant architecture. Giant pyramids of glass, multicolored fantasy castles, replicas of the Eiffel Tower and the New York skyline rise out of the Nevada desert. Even if you don't gamble or party, it is worth seeing this flamboyant display of opulence. In addition, Las Vegas is conveniently located near some of the greatest natural scenery in the southwest including the Grand Canyon Zion and Death Valley. It is only a half-day drive from Los Angeles.
Orlando

Orlando, Florida is the largest center for family entertainment in the entire world. It offers Disney World, the largest family amusement complex on this planet, plus Universal Studios, Sea World, Wet and Wild and several other major attractions. Hundreds of smaller amusement and entertainments are located nearby. You can spend weeks in Orlando without seeing it all. In addition, Florida offers wonderful tropical beaches and year-round golf and tennis.