River and stream expert Adam Levine offers some early observations on Hurricane Sandy and shows what the Fairmount Water Works looked like during the Schuylkill River’s great flood in 1869.

In 1928 city engineers completed an almost 50 year sewer engineering project that completely removed the Wingohocking Creek (among dozens of others). Adam Levine visits the sewer outlet in Juniata Park

That iconic grid? It was wrought from hill and lowland, wetland and forest, a process that created what was probably the world’s largest waffle

Beachcombing near Philadelphia International Airport, with musings on the origins of whiskey bottles, cold cream jars, and the original Delaware River shoreline