Related by context. Frequent words. (Click for all words.) 56 megaliths 55 Harappan 53 ancient 52 Egyptian pyramids 51 neolithic 49 Minoan 48 classical antiquity 48 archaeologically 47 Bronze Age 47 antiquity 47 prehistoric 46 burial mounds 45 medieval fortress 45 archaeological 45 Sassanid 45 Ancient Roman 45 ancient civilization 44 Mycenaean 44 Kushan 44 mediaeval 44 Iron Age 44 inhabited 44 Hittites 44 archaeological finds 44 thirteenth century 44 Mughal era 43 Ptolemaic 43 fourteenth century 43 medieval 43 ancient relics 43 Neolithic 43 hieroglyphs 43 Hellenistic 43 Olmec 43 Newgrange 42 lava tubes 42 stupas 42 relics 42 excavated 42 ancients 42 medieval castles 42 fifteenth century 42 #AD [002] 42 sixteenth century 42 stele 42 middens 42 midden 42 cultic 42 #BC [003] 42 cliff dwellings 42 Teotihuacan 42 ancient Roman 42 Parthian 42 ancient civilizations 41 Etruscans 41 ancient Mesopotamia 41 monolith 41 ancient pagan 41 edifices 41 extant 40 archeological 40 Unearthing 40 empires 40 Mycenae 40 Archaic 40 royal tombs 40 catacomb 40 Paleolithic 40 Scythian 40 centuries 40 archeological digs 40 ancient monuments 40 Stupa 40 stone slabs 40 Tikal 40 tombs 40 Dracula castle 40 Mughals 40 monuments 40 mythological 40 Uruk 40 Shiva temple 40 megalith 40 stone carving 40 Byzantine 39 millennium BC 39 Han dynasty 39 stone 39 elaborately carved 39 architectural marvel 39 Gandhara 39 #BC [002] 39 havelis 39 Gautama Buddha 39 prehistory 39 stalactite 39 pre Columbian 39 Achaemenid 39 constructions 39 #th century 39 cenotes