This 124-year-old, 50,000-square-foot Gothic-style building only showcases a small part of Cleveland’s rich and diverse history. Built in 1898 and opened in 1900, the 42-room structure originally served as a clubhouse for the German Society where the Cleveland Gesangverein, a singing group, would perform for the next 14 years. The building was then converted into a hospital for Hungarian immigrants. After that, it housed the Cleveland Hebrew Institute for 18 years. Allegedly, the lower level was a meeting spot for predominant Freemasons and was a speakeasy during Prohibition. In 1941,…