The Palmer House – A Hilton Hotel is a historic hotel in Chicago's Loop area. It is a member of the Historic Hotels of America program of the National Trust for Historic Preservation. The first Palmer House opened in 1870, and the present building in 1925. In the 19th century, the Palmer House was the city's first hotel with elevators, and the first hotel with electric light bulbs and telephones in the guest rooms. The hotel has been dubbed the longest continuously operating hotel in North America, although it temporarily closed from March 2020 to June 17, 2021, due to the COVID-19 pandemic.