Hello,
I think the top ten attractions of america includes nature and culture both. Space needle
Mount Rushmore
Niagra falls
Alcatraz
SanDiego Zoo
Cirque du Soleil (Vegas)
Grand Canyon National Park
Golden Gate Bridge
Central Park
The Cathedral of St. John Divine (Largest cathedral in the US-New York)
all of the places are very good to visit but St.louis and denver are also very good cities to visit place.
thanks!!
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White Goose Down