The Roundhouse opened in 1856 (Aurora, Illinois) as the site for a major car building and repair shop by the Chicago Burlington and Quincy Railroad. Originally, twenty-two stalls were built, but by 1864 another 18 were added, making it a complete circle. In 1925, the entire building was replaced with a more modern roundhouse, and it remained in service until the 1970s. In In 1995 the Roundhouse was bought by an investment group, led by former Chicago Bears running back Walter Payton, who transformed the roundhouse into a Brewing Company and entertainment venue, as well as Walter Payton museum. In 2011, they sold the building to craft brewer, Two Brothers Brewing, who currently occupy the space. The building is the oldest limestone roundhouse in the United States and it is listed on the National Register of Historic Places.
Construction continued through the Civil War era, with 18 more stalls added; the roundhouse became a completed circle in 1864. At the roundhouse, Charles Jauriet invented a special compatible firebox that allowed trains to use coal instead of wood. As well, The Pullman hotel car was built at the Rounhouse in 1866 as was the first American diner car, in 1868.2