In a photo made Tuesday May 15, 2012, a sign cautions construction workers finishing the new Hall of Paleontology at the Houston Museum of Natural Science. The exhibit that opens June 2 includes the ... more 
In a photo made Tuesday May 15, 2012, a sign cautions construction workers finishing the new Hall of Paleontology at the Houston Museum of Natural Science. The exhibit that opens June 2 includes the only Triceratops skin ever found, and a Tyrannosaurus Rex with three fingers. (AP Photo/Michael Stravato) less 
1 / 18
Associated Press | Photo By Michael Stravato
Tue, May 22, 2012 3:42 AM EDT