Cincinnati Observatory 
3489 Observatory Place
Cincinnati, OH 45208
513-321-5186
http://www.cincinnatiobservatory.org/
Observatory: Science, Walk
Situated atop the rolling hillsides of Mt.Lookout, the Observatory is home to the world’s oldest telescope still in use nightly by the general public. Two handsome National Historic Landmark buildings; one designed in 1873 by Samuel Hannaford, complement the institutions park-like setting.