The North Pacific Coast
Places to Visit in Pittsburgh Part.II
Andrew Carnegie, philanthropist and business tycoon left a legacy in Pittsburgh that can be seen through his Museum of Art and Natural History. First founded in 1895, this complex includes a music hall and free library. The Natural History Museum is one of the largest  in the nation and houses dinosaur bones and other specimens. Also a gem and mineral collection can be found there, one of the largest in the world. Carnegie's personal collection of Art can be found in the Museum of Art. The collection includes, paintings, prints, and sculptures. The most magnificent part of the museum is the the Hall of Architecture  which has replicas of architectural masterpieces from around the world.

Sources:
http://pittsburgh.about.com/od/things_to_do/p/carnegie_museum.htm
http://www.heinz.org/userfiles/spotlight/cr_7833cmnh%20family.jpg