Graue Mill was once a thriving center of commerce in the Oak Brook area, where local farmers would bring their grain to be milled into flour. The museum preserves the original equipment used in the milling process, allowing visitors to step into the shoes of those who worked at the mill. With interactive exhibits, guests can learn about the technology of the time and how it revolutionized the production of flour, which played a crucial role in local agriculture. In addition to the mill, visitors can also explore the surrounding grounds, which feature a serene natural setting that has remained unchanged for over a century. A visit to Graue Mill offers a rare glimpse into Oak Brook's agricultural roots and its transformation into the modern suburban landscape it is today.