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Collinsville is a city located mainly in Madison County and partially in St. Clair County, Illinois, United States. As of the 2020 census, the city had a population of 24,366. Collinsville is approximately 14 miles (23 km) east of St. Louis, Missouri, and is part of that city's Metro East area.
- Cahokia Mounds State Historic Site. There’s a lost city on the edge of Collinsville, preserved as a UNESCO World Heritage Site. At its peak in the 11th and 12th century CE, Cahokia might have been larger than London was at the time.
- Willoughby Heritage Farm. Just next to uptown Collinsville you can take a step back in time and experience local farm life in the 1950s. Free to visit, Willoughby Heritage Farm has a gorgeous setting, posted on the bluff line overlooking the Mississippi floodplain.
- World’s Largest Catsup Bottle. For decades an important local employer in Collinsville was the G.S. Suppiger catsup bottling plant, packaging Brooks old original rich & tangy catsup.
- Uptown Collinsville. With architecture from the city’s incorporation in 1872 through the 20th century, Collinsville’s central commercial district warrants an hour or two of your time.
Things to Do in Collinsville, Illinois: See Tripadvisor's 8,228 traveler reviews and photos of Collinsville tourist attractions. Find what to do today, this weekend, or in July. We have reviews of the best places to see in Collinsville. Visit top-rated & must-see attractions.
- Brooks Catsup Water Tower. The Brooks Catsup Water Tower is trademarked as “The World’s Largest Catsup Bottle.” Located just south of Collinsville, the water tower is a great example of 20th-century novelty architecture.
- Cahokia Mounds State Historic Site. Cahokia Mounds is a site that the ancient city of Cahokia was located on between 600-1400 CE. Right now, there are about 80 mounds, but in its heyday, it contained about 120 mounds of all shapes, sizes, and purposes.
- Fairmount Park Racetrack. The Fairmount Park Racing Track opened in 1925 and is a one-mile (1.6 km) oval shaped dirt track. It is one of five horse racing tracks in Illinois, and the only one outside of the Chicago area.
- Willoughby Heritage Farm. Willoughby Heritage Farm and Conservation Reserve is a park created to look like a 1950s farm. At this park, you can learn what life was like on a 1950s farm, visit with farm animals, see tractors, and hike along trails.
Collinsville is a city in Southern Illinois in the Saint Louis Metro East area. It is the "Horseradish Capital of the World": 85 percent of the world's horseradish is grown in Collinsville and the surrounding area. It is also the home of Cahokia Mounds State Historic Site, a UNESCO World Heritage.
Collinsville, city, Madison and St. Clair counties, southwestern Illinois, U.S. It lies a few miles east of the Mississippi River, opposite St. Louis, Missouri. First settled in 1810 by John Cook of Virginia, the community was laid out in 1837 on bluffs above the river’s floodplain.
Located in Collinsville, Illinois near the city of St. Louis, this largest pre-Columbian settlement north of Mexico is the pre-eminent example of a cultural, religious, and economic centre of the Mississippian culture (800–1350), which extended throughout the Mississippi Valley and the south-eastern United States.
