Illinois Caverns - 4 Things to Know Before Visiting

Fults Hill Prairie Nature Preserve is a rare example of an intact remnant of tallgrass prairie. Located along the Mississippi River bluffs, this preserved piece of land harbors more than 400 species of plants and animals, some that are endangered or threatened. Visitors can explore the preserve on their own by following the 3-mile self-guided hiking trail, where they can enjoy panoramic views of the surrounding countryside.

Peterstown House built in the mid-1800s for a prominent farmer, it stands true to its roots - aesthetically and historically. In 1972, it was added to the National Register of Historic Places. It has not only withstood centuries of neglect, but is still managing to retain much of its original look. While no longer a private residence, Peterstown House has become a museum open to the public so people can take in the unique experience mixed with fascinating history that it offers.

Fort de Chartres State Historic Site is a stunning example of 18th century French Colonial military architecture. It is easily seen from the Mississippi River and features a palisade wall surrounding the historic stone fort that was built between 1753 and 1756. Visitors often marvel at the architectural feats achieved at this site; the hand-hewn creek timber posts, lintels, and sill pieces have withstood decades of time and weather storms.

The French Colonial Historic District is rich with history, dating back to the early French settlement in the area. Located near the Kaskaskia River, this district encompasses over 1000 acres stretching from southern Prairie du Rocher to western Fort de Chartres. This district features some of the earliest examples of land division along a French-style grid and it contains original foundations, streets and plats from the 1700s. It's a great place to explore past lifestyles.

The Modoc Rock Shelter National Historic Site is a prime example of archaeological history. It comprises a rock shelter that was excavated in 1934 by Henry W. Weller and his team, where they uncovered artifacts which date back to 12,000 years ago. Visitors are able to learn more about the lives of the original inhabitants and how they were adapted to their environment; examining topics such as how they utilised stone tools to hunt and fish, as well as what kind of diet they ate.

Nestled in Jefferson County, Missouri, lies the final resting place of Gov. Daniel Dunklin, a man who left a profound impact on the state's history. The Gov. Daniel Dunklin's Grave State Historic Site offers visitors an opportunity to pay their respects to one of Missouri's most notable leaders. But don't let the name of the site fool you; it's not all doom and gloom. Sure, it's a grave site, but it's also a beautiful and serene location that will make you want to stay a while.