Missouri State Parks Near O'Fallon

This historic site features the restored First State Capitol buildings and interpretive exhibits that tell the story of Missouri’s early government. Its downtown St. Charles setting also places visitors near shops, restaurants, and the Missouri Riverfront.

Scott Joplin House State Historic Site interprets the life and work of the “King of Ragtime” through a restored historic home and museum exhibits. The site highlights Joplin’s music, African American history, and the cultural world of turn-of-the-century St. Louis.

Illinois Caverns State Park features a fascinating limestone cave system, picnic areas, and interpretive displays. Visitors can explore the underground world, enjoy the peaceful surroundings, and learn about the region's geology and wildlife.

Cuivre River State Park is Missouri’s largest state park, offering a mix of forested ridges, limestone bluffs, prairie openings, and river access. It is a popular destination for camping, hiking, horseback riding, fishing, and swimming at Lake Lincoln.

This small but iconic park offers a unique view of two of North America’s great rivers converging. It is especially popular with birders, photographers, and visitors interested in the Lewis and Clark expedition.

Iliniwek Village State Historic Site protects an important archaeological and cultural landscape associated with Native American history in eastern Missouri. The site offers a peaceful setting for reflection, birdwatching, and learning about the region's early inhabitants.

Sappington African American Cemetery State Historic Site is a quiet, reflective place that protects a rare surviving burial ground associated with early African American residents of the region. Visitors come to learn about local history, genealogy, and the enduring legacy of the families buried here.

Mastodon State Historic Site showcases the famous Kimmswick Bone Bed, where mastodon remains and evidence of early human activity were discovered. The site features a museum, interpretive displays, and outdoor spaces that help tell the story of Missouri’s prehistoric past.

Graham Cave State Park combines archaeology, geology, and outdoor recreation in a compact, scenic setting. Its main features include the famous cave shelter, interpretive exhibits, picnic areas, and access to a peaceful natural landscape.