Dinosaur Pictures

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Dinosaurs

A Tyrannosaurus Rex model is on display at the Detroit Children's Museum during a media preview, Wednesday, June 23, 2010 in Detroit. The museum is reopening with refreshed exhibits, a new preschool area and more of its thousands of artifacts on display. A two-day reopening event is Saturday and Sunday. The 93-year-old Children's Museum houses dinosaur bones, dioramas, costumes and dolls from around the world. It also has an extensive collection of rocks, fossils and crystals. (AP Photo/Carlos Osorio)

Dinosaurs

The entrance to the Detroit Children's Museum is seen Wednesday, June 23, 2010 in Detroit.The museum is reopening with refreshed exhibits, a new preschool area and more of its thousands of artifacts on display. A two-day reopening event is Saturday and Sunday. The 93-year-old Children's Museum houses dinosaur bones, dioramas, costumes and dolls from around the world. It also has an extensive collection of rocks, fossils and crystals. (AP Photo/Carlos Osorio)

Dinosaurs

A solar system display is shown at the Detroit Children's Museum during a media preview, Wednesday, June 23, 2010 in Detroit. The museum is reopening with refreshed exhibits, a new preschool area and more of its thousands of artifacts on display. A two-day reopening event is Saturday and Sunday. The 93-year-old Children's Museum houses dinosaur bones, dioramas, costumes and dolls from around the world. It also has an extensive collection of rocks, fossils and crystals. (AP Photo/Carlos Osorio)

Dinosaurs

Animal skulls are displayed at the Detroit Children's Museum during a media preview, Wednesday, June 23, 2010 in Detroit. The museum is reopening with refreshed exhibits, a new preschool area and more of its thousands of artifacts on display. A two-day reopening event is Saturday and Sunday. The 93-year-old Children's Museum houses dinosaur bones, dioramas, costumes and dolls from around the world. It also has an extensive collection of rocks, fossils and crystals. (AP Photo/Carlos Osorio)

Dinosaurs

A magnified fossil is displayed at the Detroit Children's Museum during a media preview, Wednesday, June 23, 2010 in Detroit. The museum is reopening with refreshed exhibits, a new preschool area and more of its thousands of artifacts on display. A two-day reopening event is Saturday and Sunday. The 93-year-old Children's Museum houses dinosaur bones, dioramas, costumes and dolls from around the world. It also has an extensive collection of rocks, fossils and crystals. (AP Photo/Carlos Osorio)

Dinosaurs

Butterflies are displayed at the Detroit Children's Museum during a media preview, Wednesday, June 23, 2010 in Detroit. The museum is reopening with refreshed exhibits, a new preschool area and more of its thousands of artifacts on display. A two-day reopening event is Saturday and Sunday. The 93-year-old Children's Museum houses dinosaur bones, dioramas, costumes and dolls from around the world. It also has an extensive collection of rocks, fossils and crystals. (AP Photo/Carlos Osorio)

Dinosaurs

(L to R) Anthony Field, 'Dorothy the Dinosaur', Jeff Fatt, Sam Moran and Murray Cook of The Wiggles perform for competition winners ahead of their new UK tour at Relentless Garage on June 15, 2010 in London, England. The Wiggles Perform At Relentless Garage Relentless Garage London, England United Kingdom June 15, 2010 Photo by Martin McNeil/WireImage.com To license this image (60760703), contact WireImage.com

Dinosaurs

FILE - In this 1993 file image originally released by Universal Pictures, Sam Neill, portraying Dr. Alan Grant, runs from dinosaurs in a scene from "Jurassic Park." (AP Photo/Universal Pictures)

Dinosaurs

TO GO WITH AFP STORY US-Mexico-paleontology This artist rendering received May 28, 2010 courtesy of the Utah Museum of Natural History at the University of Utah shows Coahuilaceratops. A new species of horned dinosaur unearthed in Mexico has larger horns that any other species - up to 4 feet long - and has given scientists fresh insights into the ancient history of western North America, according to a research team led by paleontologists from the Utah Museum of Natural History at the University of Utah. AFP PHOTO/Utah Museum of Natural History at the University of Utah/LUKAS PANZARIN/HANDOUT = RESTRICTED TO EDITORIAL USE = NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGN = (Photo credit should read LUKAS PANZARIN/AFP/Getty Images)

Dinosaurs

TO GO WITH AFP STORY by Jean-Louis Santini This artist rendering received May 28, 2010 courtesy of the Utah Museum of Natural History at the University of Utah shows Coahuilaceratops. A new species of horned dinosaur unearthed in Mexico has larger horns that any other species - up to 4 feet long - and has given scientists fresh insights into the ancient history of western North America, according to a research team led by paleontologists from the Utah Museum of Natural History at the University of Utah. AFP PHOTO/Utah Museum of Natural History at the University of Utah/LUKAS PANZARIN/HANDOUT/RESTRICTED TO EDITORIAL USE (Photo credit should read LUKAS PANZARIN/AFP/Getty Images)

Dinosaurs