Falls of the Ohio State Park in Clarksville, Indiana located across the Ohio River from Louisville, Kentucky. They have two temporary fossil displays that have nice specimens to observe. The first image is of an enrolled Flexicalymene meeki trilobite from the Ordovican found in Hamilton County, Ohio.
This next image is of the Eocene fish fossil Knightea sp. found in the famous locality of Green River Formation (Kemmerer, Wyoming).
Followed by an imprint of snail in a stromatoporoid of the Jeffersonville Limestone (Middle Devonian) Oldham County, Kentucky.