Left - "The Thinker", at the Rodin Museum on the Ben Franklin Parkway, not far from Boathouse Row. The Rodin Museum is the largest collection of Rodin sculpture outside of Paris and admission is free!
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Calderwood 2
Philly H2O - The History of Philadelphia's Watersheds and Sewers, an amazing collection of documents, maps, images, and other material on the Schuylkill and Delaware River and other local watersheds. Thanks to John Muff for the link.