The Big Bone Lick State Park is a state park and recreation area in Union, Kentucky. It is an official Lewis and Clark Heritage Trail Site, as per designation by the National Park Service.

Created in 1960, the Big Bone Lick State Park refers to itself as the “birthplace of American paleontology”. This was brought on by the fact that in 1807, an expedition led by William Clark and his brother General George Rogers Clark at the site. It also explains a lot about the site’s name, which is in honor of the Pleistocene mega fauna fossils that were found at the site. Being home to a salt lick, experts suggest that creatures like mammoths were drawn to the area because of it.