In 1803 Clark's brother William met up with Corps of Discovery co-commander Meriwether Lewis in Clarksville to make final preparations for the historic expedition to the Pacific Ocean. The Lewis and Clark Park, off Harrison Avenue, features interpretive panels detailing the journey; a half-scale replica of the keelboat the explorers used also is on the grounds.
Falls of the Ohio National Wildlife Conservation Area, more than 1,400 acres of river bottom between Indiana and Kentucky, contains a coral reef of great geologic importance. Overlooking the conservation area is Falls of the Ohio State Park.
Shopping
Green Tree Mall, on SR 131, is anchored by Dillard's, JCPenney and Sears.