Related by context. Frequent words. (Click for all words.) 57 sandstone 55 stone slabs 55 boulders 55 granite boulders 54 granite stones 53 flagstones 53 lintels 53 rock outcrops 53 rock outcrop 52 sandstone cliffs 52 granite slabs 51 cement slab 51 stalactites 50 marble slabs 50 rock outcroppings 50 cairns 50 quartzite 50 stones 50 basalt 50 marl 50 limestone 50 boulder 49 adobe walls 49 buttes 49 retaining walls 49 lakebed 49 red ocher 49 petroglyph 49 rockery 49 moraines 49 cypress tree 49 caissons 49 trench dug 49 calcite 48 moai 48 decomposed granite 48 alluvium 48 coarse sand 48 limestones 48 streambed 48 volcanic crater 48 gullies 48 escarpment 48 wooden walkway 48 arches 48 concrete footings 48 stonework 48 stupa 48 flagstone 48 slabs 47 mudstone 47 rocks 47 outcropping 47 volcanic rock 47 lava tube 47 granite 47 stone 47 monoliths 47 concrete slabs 47 fieldstone 47 talus 47 crushed limestone 47 pebbled 47 concrete slab 47 concrete piers 46 steel girders 46 hillocks 46 tussock 46 excavated 46 boulder strewn 46 obelisks 46 rock outcropping 46 graben 46 cairn 46 butte 46 moss covered 46 chert 46 stupas 46 roadbed 46 streambeds 46 landform 46 tree trunks 46 sycamore trees 46 bridge abutments 46 plinths 46 petroglyphs 46 cenotes 46 calcareous 46 steel trusses 46 pavers 46 cottonwood tree 45 cliff dwellings 45 landforms 45 canyon walls 45 limestone cliffs 45 riverbed 45 walkway 45 canyon 45 jasper 45 lichen 45 masonry walls