Falls of the Ohio State Park sits along the banks of the Ohio River in Clarksville, offering something you won’t find anywhere else in the world — a 390-million-year-old Devonian fossil bed spanning 220 acres, one of the largest naturally exposed fossil beds on Earth. Established in 1990, this 165-acre state park draws geologists, history buffs, and curious families alike to walk among ancient coral and marine life preserved in limestone.

The park’s Interpretive Center is the best place to start, housing fossil specimens, aquariums, and exhibits that bring the Late Devonian period to life. From there, head down to the fossil beds themselves, which are most accessible from late summer through fall when river levels drop and expose the ancient rock formations. Timing your visit between August and October gives you the best chance to explore the beds up close.

Beyond the fossils, Falls of the Ohio offers solid birding — the area is a stopover along the Ohio River flyway, and the park has recorded over 265 bird species. Hiking trails wind through the grounds with river views, and fishing along the riverbank is popular year-round. The park sits directly across from Louisville, Kentucky, making the downtown skyline a surprising backdrop to your prehistoric explorations.

There are no campgrounds within the park, so plan on day-tripping or booking accommodations in nearby Clarksville or Louisville. With a 4.6-star rating from over 4,300 visitors, Falls of the Ohio consistently delivers a one-of-a-kind experience that’s equal parts science lesson and scenic river walk.

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