The Ligonier Historical Museum is a museum in Ligonier, Indiana that is housed in the 1889 building of Congregation Ahavas Sholem (Lovers of Peace). The building is listed on the National Register of Historic Places. It is located at 503 Main Street. It is one of the few surviving 19th-century synagogues in the United States.
Jews arrived in Ligonier in the 1850s. they established a cemetery in 1865. Rabbi Isaac Meyer Wise attended the dedication of the synagogue building in 1889.
The Jacob Straus House, home of a congregant, is also open to visitors. It is located at 210 South Main Street.