Related by context. Frequent words. (Click for all words.) 50 Chaco Canyon 49 pottery fragments 49 Tiwanaku 47 Herodian 46 Egyptian pyramids 46 ancient 46 megalithic 45 Durrington Walls 45 Sassanid 45 Incan 44 Egyptian pharaohs 44 amphorae 44 Palaeolithic 44 Harappan 44 Excavated 44 Shang Dynasty 43 tombs 43 Spanish conquerors 43 ritual baths 43 Ptolemaic 43 Mycenaean 43 Roman Byzantine 43 Cagsawa 42 ancient Mayan 42 Ancient Roman 42 caravanserai 42 middens 42 radiocarbon dates 42 stelae 42 Radiocarbon dating 42 stele 41 Harappa 41 Tewa 41 Achaemenid era 41 pre Incan 41 Bronze Age 41 archaeological 41 archeological artifacts 41 Pavlovsk 41 Areni 41 royal tombs 41 Lop Nur 41 Petroglyphs 41 Nag Hammadi 41 conquistadores 41 Elamite 41 radiocarbon dated 41 Pictish 41 neolithic 41 pottery shards 41 excavated 41 megaliths 41 Teotihuacan 41 caves 41 lava tubes 40 archeologists 40 Knossos 40 Hittites 40 Iron Age 40 ANI Archaeologists 40 Mesolithic 40 medieval 40 cenotes 40 ancient tombs 40 Spanish conquistadors 40 Parthian 40 Cheops 40 tomb 40 pre Columbian 40 ancient kingdoms 40 henge 40 Sutton Hoo 40 mud volcanoes 40 Achaemenid 40 archeological 39 limestone caves 39 Roman emperor Nero 39 archaeologists 39 Caral 39 rusting hulk 39 cave 39 Huichol 39 limestone cave 39 flint tools 39 antiquity 39 Thracian 39 Jesuit missionaries 39 Tenochtitlan 39 sepulcher 39 medieval fortress 39 tomb raiders 39 unmapped 39 Upper Paleolithic 39 archaeological finds 39 Dmanisi 38 kiva 38 Mukden 38 #BC [003] 38 petroglyph 38 midden 38 cliff dwellings