The Philadelphia History Museum was a public history museum located in Center City, Philadelphia from 1938 until 2018. From 1938 until 2010, the museum was known as the Atwater Kent Museum. The museum occupied architect John Haviland's landmark Greek Revival structure built in 1824–1826 for the Franklin Institute. The Museum operated as a city agency as part of Philadelphia's Department of Recreation. The building was listed on the National Register of Historic Places on August 1, 1979.

John Haviland was an English-born American architect who was a major figure in American Neo-Classical architecture, and one of the most notable architects working from Philadelphia during the nineteenth century.