edmontosaurus annectens, a saurolophine hadrosaur from the maastrichtian (late cretaceous) of north america. - 考古學 幅插畫檔、美工圖案、卡通及圖標恐龍
a saber-toothed cat tries to drive a short-faced bear out of its territory. the bear is annoyed and roars back in retaliation. - 考古學 幅插畫檔、美工圖案、卡通及圖標劍齒虎, 冰河時代, 起源
the acropolis in athens, greece, at the time of pericles, ca 430 bc, historical, digitally restored reproduction from a 19th century original - 考古學 幅插畫檔、美工圖案、卡通及圖標古老的, 希臘 - 南歐, 衛城 - 雅典 - 希臘
great ziggurat of ur, mesopotamian temple built in ancient iraqi city, circa 2060 bc - 考古學 幅插畫檔、美工圖案、卡通及圖標金字形神塔, 古老的, 伊拉克
phorusrhacos, smilodons and macrauchenia in ancient argentina 2 million years ago. - 考古學 幅插畫檔、美工圖案、卡通及圖標
tiktaalik roseae is an extinct lobe-finned fish from the late devonian of canada. - 考古學 幅插畫檔、美工圖案、卡通及圖標泥盆紀
animals and floral life from the burgess shale formation of the cambrian period. - 考古學 幅插畫檔、美工圖案、卡通及圖標前寒武紀, 三葉蟲
trilobites try to hide from predator opabinia in a cambrian sea full of stromatolites. - 考古學 幅插畫檔、美工圖案、卡通及圖標
plesiosaurus dinosaurs swim together in jurassic seas to find their next prey. - 考古學 幅插畫檔、美工圖案、卡通及圖標蛇頸龍
view of earth 650 million years ago during the marinoan glaciation. - 考古學 幅插畫檔、美工圖案、卡通及圖標冰河時代, 地球, 凍結的
gigantoraptor, a genus of giant oviraptorosaurian theropod dinosaur from the cretaceous period. - 考古學 幅插畫檔、美工圖案、卡通及圖標動物的蛋, 獸腳亞目食肉恐龍