Take the scenic route around "the Grand Canyon of the east". You can simply drive through, hike, or walk till your hearts content. They also have beautiful waterfalls to admire.
This little hole in the wall bowling alley has food and drinks as well as a mini arcade.
Check out the Conesus lake area as well as Geneseo where there are plenty of little places to dine, drink (coffee, breweries, and wineries), and enjoy.