A demolition study for the Mustin Field Seaplane Hangar at the Navy Yard puts a structural engineering landmark on notice. Michael Bixler takes us inside

With a boardwalk in Center City and a reimagined rec center in Manayunk each set to open this week, Philadelphia has two inspiring venues in which to see the Schuylkill River anew. Brad Maule previews the Schuylkill Banks Boardwalk and Venice Island Performing Arts and Recreation Center

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