2 Central Park, New York City: The famous green space attracts 38m every year.
3 Union Station, Washington, DC: This busy station pulls in 37m tourists a year.
4 Las Vegas Strip: Last year 29.5m people stayed in hotels right on the famous Strip.
5 Niagara Falls, New York and Ontario: This massive waterfall attracts 22.5m visitors a year.
6 Grand Central Terminal, New York City: Every year 21.6m visitors stop at this famous landmark.
7 Faneuil Hall Marketplace, Boston: The downtown pulls in 18m visitors a year.
8 Disney World's Magic Kingdom, Orlando: It rakes in 16.9m visitors a year.
9 Disneyland Park, Anaheim, CA: It welcomes 15.9m.
10 Grand Bazaar, Istanbul: A total of 15m visitors flock to peruse the goods.