Final answer:
New York City usually tops the list as the most visited city in the USA due to its landmarks and culture, followed by Orlando's theme parks, Las Vegas's entertainment scene, and Chicago's cultural offerings.
Step-by-step explanation:
The most visited cities in the USA, in order of popularity, typically fluctuate slightly from year to year, but often New York City (NYC) is known to have the highest number of tourists, followed by Orlando, Las Vegas, and Chicago. This is attributed to NYC's iconic landmarks and diverse culture, Orlando's famous theme parks like Walt Disney World and Universal Studios, Las Vegas's world-renowned casinos and entertainment, and Chicago's rich architecture and museums.