Here's the list of Most Visited Places in The World according to Forbes Travel as of the year 2007 based on annual visitors.
10. Disneyland Paris in Marne La Vallee, France - 10.6 million visitors per year.
9. Notre Dame de Paris in Paris, France - 12 million visitors per year
8. Tokyo Disneyland/DisneySea in Tokyo, Japan - 12.9 million visitor per year
7. Fisherman’s Wharf/Golden Gate National Recreation Area in San Francisco, USA - 13 million visitors per year
6. Niagara Falls in Ontario, Canada and New York USA - 14 million visitors per year
5. Disneyland Park in Anaheim California, USA - 14.7 million visitors per year
4. Trafalgar Square in London, England - 15 million visitors per year
3. Disney World’s Magic Kingdom in Florida California, USA - 16.6 million visitors per year
2. National Mall & Memorial Parks in Washington Monument, Lincoln and Jefferson Memorials - Washington DC,USA with 25 million visitors per year
1. Time Square in New York, USA - 35 million visitor per year