About The Corning Museum of Glass The Corning Museum of Glass (www.cmog.org) is home to the world's most comprehensive and celebrated collection of glass, with more than 45,000 objects reflecting 3,500 years of glassmaking history. An independent, non-profit, educational institution, the Museum is dedicated to the art, history, science, research and exhibition of glass. The Museum is open from 9:00 a.m. to 8:00 p.m. in the starting this weekend. Children 17 and under receive free admission.