This is a very nice museum. There are chemistry exhibits, geology, and a very large paleontology hall. I spent the whole day here.
Some photos:
Australian Trumpet, the largest living snail with shells up to 30 inches
Gypsum crystals
I am surrounded by CGI raptors
Foucault pendulum
Hall of African taxidermy
Dickensonia, from the Ediacaran period
Gorgonopsid
Deinonychus
Quetzalcoatlus. As tall as a giraffe, it is the largest animal ever to fly
Early frog Eopelobates
During the Eocene, Wyoming was a tropical rainforest. This is a Boaus snake.
Tropical lemur Notharctis, found in Wyoming
Fossil skulls depicting human evolution. In your face, creationists.