Cleveland Museum of Natural History, Cleveland

As the name would suggest, the Cleveland Museum of Natural History showcases exhibits on nature and its history. You will get to see different types of dinosaurs and know its history, along with other rare plants and animals. Apart from these marvelous permanent exhibits, there are several other temporary exhibitions like the 'Amazing Feats of Aging' which deals with the reasons behind the aging of plants, animal and humans.  If stars and constellations interest you more, then visit the Museums Nathan section that opened in 2002 and has projection shows on the planetary system. This is a highly informative and interesting center that appeals to all ages.