Established in 1822 by French-Canadian fur trader Joseph Bailly de Messeux, the Joseph Bailly Homestead is of exceptional historical significance as the earliest known non-Native American settlement in Northwest Indiana. Situated along the Little Calumet River, the homestead served as a vital trading post during the twilight of the fur trade era in the Old Northwest, facilitating commerce between French-Canadian traders, Euro-American settlers, and the local Potawatomi and Ottawa nations. Bailly's marriage to Marie Le Fvre, a woman of Ottawa and French heritage, further underscores the site's significance as a cultural crossroads where Indigenous and European traditions converged during the early American frontier period.

Today, the homestead stands as a rare surviving example of a frontier trading complex, preserved within the Indiana Dunes National Park. The property features a diverse collection of historic structures, including the main two-story log house (later modified with clapboard siding), a brick chapel, and several rustic log outbuildings. Reflecting a continuous family occupation that spanned over a century, the site evolved from a rugged wilderness outpost into a gentrified 19th-century estate. Designated a National Historic Landmark in 1962, the Joseph Bailly Homestead remains an invaluable landmark, illustrating the dramatic transition of the Great Lakes region from a fur-trading frontier to an agricultural and industrial society.