The 20 Most Expensive Shopping Streets in the U.S.

The 20 Most Expensive Shopping Streets in the U.S.

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16. Walnut Street in Philadelphia

$145 per square foot

Walnut Street runs from the waterfront to the city center, but its most classy stretch is between Broad Street and 18th Street. It includes The Shops at the Bellevue, which houses Nicole Miller, Polo Ralph Lauren and Tiffany & Co.