Philadelphia, United States of America
Lemon Hill is a Federal-style mansion in Fairmount Park, Philadelphia, built from 1799 to 1800 by Philadelphia merchant Henry Pratt. The house is named after the citrus fruits that Pratt cultivated on the property in the early 19th century.
Listen to the audio guide for Lemon Hill Mansion Free on WIP — starts by itself when you arrive, even with the screen off