Related by context. Frequent words. (Click for all words.) 39 caves 38 canyon 37 cave 35 Crandall Canyon mine 34 cavern 33 mine shaft 32 trapped underground 32 trapped miners 31 caverns 30 crevasse 30 tunnels 30 Cave 29 Machu Picchu 29 Caves 29 rock formations 29 crevice 29 mountainside 29 underground tunnels 28 miners 28 mountain 28 coal mine 27 volcano 27 mine 27 grotto 27 tomb 27 campsite 27 crevices 27 fossils 27 crater 26 climbers 26 entombed 26 backcountry 26 underground 26 excavate 26 sandstone 26 passageway 26 hot springs 26 creek 25 tunnel 25 glacier 25 passageways 25 gorge 25 ravine 24 mountaineers 24 quarry 24 excavations 24 excavated 24 burrows 24 boulder 23 ledge 23 attic 23 archaeologists 23 mountainous 23 mountaintop 23 trapped 23 mountaineering 22 mountains 22 tombs 22 observatory 22 archeologists 22 hideout 22 sarcophagus 21 burrow 21 underground bunker 21 wilderness 20 cliffs 20 dinosaur 20 lava 20 cove 19 basement 19 excavation 19 Himalayas 19 caving 19 mummified 19 dungeon 19 hermit 19 archeological 18 monastery 18 prehistoric 18 igloo 18 subterranean 18 hiker 18 archaeological 18 woods 17 expedition 17 cliff 16 waterfalls 16 creature 15 waterfall 14 labyrinth 14 fort 13 lair 13 cellar 13 lizard 13 caved 12 cistern 12 hut 12 den 11 castle 11 hiding 11 ark