Related by context. Frequent words. (Click for all words.) 53 giant sequoia 52 sequoias 52 redwood 52 redwoods 50 redwood tree 50 redwood forest 46 redwood trees 46 melting glacier 45 limestone cave 45 giant sequoias 45 Giant Sequoia 45 Columbian mammoth 44 Sitka spruce 44 tyrannosaurus rex 43 cypress tree 43 redwood forests 43 fossilized bones 43 Jurassic Period 43 coastal bluffs 43 marine reptile 42 primeval forest 42 Nigersaurus 42 Cheops 42 dinosaur fossil 42 Egyptian pyramids 42 Burgess Shale 42 Ardipithecus ramidus 42 Ponderosa pine 41 Brachiosaurus 41 Sonora Pass 41 longleaf pines 41 dinosaur skeleton 41 supercontinent 41 fossilized remains 41 reticulated python 41 ponderosa pines 41 whale skeleton 41 cottonwood tree 41 giant ape 41 giant Palouse earthworm 40 Carrizo Plain 40 tyrannosaur 40 astronomical observatory 40 oak woodlands 40 woolly mammoths 40 sequoia 40 hadrosaur 40 wooly mammoth 40 moai 40 tidal marsh 40 salal 40 bald cypress 40 Giant squid 39 black bear cub 39 trackway 39 dinosaur footprints 39 theropod 39 cedar tree 39 fossil 39 paleontological 39 biodiversity hotspot 39 plesiosaur 39 microfossils 39 piñon 39 planetoid 39 Homo floresiensis 39 Palaeontologists 39 Mount Tamalpais 39 lichen 39 ponderosa 39 Cretaceous Period 39 tulip tree 39 Douglas firs 39 conifer trees 39 Douglas fir trees 39 radiocarbon dated 38 Lake Vostok 38 Diplodocus 38 kauri 38 youngest climber 38 Fossilized 38 legged creature 38 Humboldt squid 38 ponderosa pine 38 sycamore trees 38 leatherback turtle 38 aspen trees 38 giant tortoise 38 dinosaur fossils 38 sauropod 38 grove 38 billed dinosaur 38 Giant Squid 38 stromatolites 37 sycamore 37 Tyrannosaurus rex 37 lilac bushes 37 oak woodland 37 fossil hunter 37 manzanita 37 tetrapods