Fearful images of 16 gigantic, long-dead beasts that ruled the Earth for some 160 million years include lifelike portraits of the dreaded Tyrannosaurus rex, the triple-horned Triceratops, the bony-plated Stegosaurus, and the long-necked, 85-feet-long Brachiosaurus. Color these massive reptiles then place near a source of strong light for a dazzling display.