CBS News Chicago's Marie Saavedra was very brave, taking a tour of the collections visitors don't normally see at the Field Museum ... is an expert on the museum's famous Tyrannosaurus Rex fossil ...

The Carnegie Museum of Natural History in Pittsburgh, home to the Tyrannosaurus rex holotype and a famous Diplodocus, will ...

The most complete and best-preserved Tyrannosaurus rex ever discovered will be on display through Sept. 7. Membership and ...

The T. rex Experience," featuring the most complete and best-preserved Tyrannosaurus rex ever discovered, on Saturday.

He said, "As the most complete Tyrannosaurus rex specimen ever ... Jaap Hoogstraten, director of exhibitions at the Field Museum in Chicago, emphasized the importance of showcasing Sue.