Lunsford-Pulcher Archeological Site

Dupo is a village in St. Clair County, Illinois, United States. The population was 4,138 at the 2010 census, an increase from 3,933 in 2000. The village was settled in about 1750 and was incorporated in 1907. Its modern name, adopted in the early 20th century, is shortened from Prairie du Pont ("Bridge Prairie").

Sugarloaf Township is located in St. Clair County, Illinois. As of the 2010 census, its population was 7,322 and it contained 3,219 housing units.

East Carondelet is a village in St. Clair County, Illinois, United States. The population was 499 as of the 2010 census.

The Jefferson Barracks Bridge, officially the Jefferson Barracks Memorial Arch Bridge, is a pair of bridges across the Mississippi River on the south side of St. Louis, Missouri metropolitan area. Each bridge is 3,998 feet (1,219 m) long with a 909-foot (277 m) long arch bridge spanning the shipping channel. The northern bridge was built in 1983, and the southern opened in 1992. A delay occurred during the construction of the southern bridge when a crane dropped a section of it into the river and it had to be rebuilt.The original Jefferson Barracks Bridge was a steel truss toll bridge that carried U.S. Route 50. Construction on that bridge began on August 5, 1942, and it opened two years later. A toll was charged until 1959, when the construction bonds were paid off. Prior to the construction of the original bridge, river crossings in this area were made via the Davis Street Ferry in the Carondelet neighborhood of St. Louis.The current bridge carries traffic for both Interstate 255 (part of the St. Louis beltway) and U.S. Route 50. However, I-255 itself was not built until a few years after the northern bridge opened in 1983.The names comes from the nearby Jefferson Barracks National Cemetery, itself originally part of the large Jefferson Barracks military complex, established in 1826 and decommissioned in 1946.

River City Casino is a casino in Lemay, Missouri, in Greater St. Louis. It is owned by Gaming and Leisure Properties and operated by Penn Entertainment. It opened on March 4, 2010.

Martigney Creek is a stream in St. Louis County in the U.S. state of Missouri. It is a tributary of the Mississippi River. A variant spelling was "Martigne Creek". The creek most likely has the name of Jean B. Martigny, a pioneer landowner.

Columbia High School is a public high school in Columbia, Illinois. It is part of Columbia Community Unit School District 4.

Notre Dame High School is a Roman Catholic, private, all-girls school located in Lemay, St. Louis County, Missouri. just south of St. Louis city, on the 43-acre grounds of the motherhouse of the School Sisters of Notre Dame on the Mississippi River. While its roots go back to 1897, its present form and name date to 1934.

The River des Peres (French: rivière des Pères) (English: ) is a 9.3-mile (15.0 km) metropolitan river in St. Louis, Missouri. It is the backbone of sanitary and storm water systems in the city of St. Louis and portions of St. Louis County. Its largest tributaries are Deer Creek and Gravois Creek. At St. Louis, the river has a mean annual discharge of 79 cubic feet per second.

Columbia is a city mainly in Monroe County with a small portion in St. Clair County in the U.S. state of Illinois, about 12 miles (19 km) south of St. Louis, Missouri. The population was 10,999 at the 2020 census.

The Gundlach-Grosse House is a historic house located at 625 N. Main St. in Columbia, Illinois. The Greek Revival house was built in 1857 for German immigrants John and Philip Peter Gundlach. The brothers ran a local brewery which remained in their family for four generations, and John Gundlach served as Columbia's mayor for four years. The house is a 1 ½-story brick building; its corbeled brick frieze is representative of the decorative brickwork commonly designed by German immigrant builders. The entrance to the house features a classical pediment supported by Ionic columns and cast iron pilasters. Two windows with broken scroll pedimented lintels are situated on each side of the door. The house's gable roof features three gabled dormers on the front and back sides.The house was added to the National Register of Historic Places on December 18, 1978.

Patch is a neighborhood of St. Louis, Missouri. The Patch neighborhood forms the southern tip of the Carondelet neighborhood. It is defined by Robert Avenue on the north, the City Limits to the south, Alabama Avenue to the west, and by the Mississippi River to the east.