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

17. Dupont Circle in Washington, D.C.

$110 per square foot

In the heart of the capital, Dupont Circle may be a lesser known shopping area in D.C., but it features quirky boutiques like hat shop Propper Topper, make-your-own-jewelry shop Bedazzled and Second Story Books & Antiques for literary addicts.