"It becomes, at least for some people, a kind of pilgrimage in the sense that you want to finally see the Statue of Liberty and it's in New York and you have to go to New York to see it, " said Witold Rybczynski, a professor of urbanism at The Wharton School of the University of Pennsylvania.
"There isn't a second version of it anywhere else."
This sort of unique attraction, combined with the excitement of city life and a concentration of cultural opportunities, fine dining, shopping and accommodations brings some visitors back again and again.
The allure of big city vacations
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