Related by context. Frequent words. (Click for all words.) 47 ancient mariners 46 Lefkada 45 underwater archeology 44 Spitzbergen 44 Amerigo Vespucci 43 Ionian Sea 43 Polarstern 43 Finnish Meteorological 43 Voyager spacecraft 43 Galileo spacecraft 42 Kepler spacecraft 42 Cephalonia 42 Opportunity rover 42 Antikythera Mechanism 42 planet Uranus 42 Mediterranean Sea 41 Navias 41 shipwreck 41 Kefalonia 41 Odyssey Explorer 41 space.com 41 Mediterranean 41 Nicolaus Copernicus 41 archeologists 41 Aland Islands 41 Mediterranean basin 41 Cassini Huygens 41 archaeological excavation 41 Seychelles Islands 41 TIGHAR 41 Roswell Incident 40 Thor Heyerdahl 40 Mars# 40 archaeological finds 40 Lulin 40 Arctic Sea 40 archeological 40 NASA Cassini 40 Cape Verde islands 40 archaeological 40 archaeologists 40 NASA Cassini spacecraft 40 Patently Apple 40 Marsa Alam 40 Atlantis 40 Galapagos islands 39 French Frigate Shoals 39 amphorae 39 Lagarto 39 Dakhla 39 ancient relics 39 classical antiquity 39 archeology 39 Comet McNaught 39 Greg Stemm 39 paleoclimate 39 Samos 39 Ferdinand Magellan 39 Quark Expeditions 39 Lake Ohrid 39 Dubrovnik Croatia 38 underwater caves 38 extrasolar planet 38 Minoan 38 Salonica 38 Antakya 38 Hittites 38 Vergina 38 Bremerhaven Germany 38 Jupiter moons 38 UFO enthusiasts 38 GOCE 38 Ionian 38 Dubrovnik 38 Nasa Jet Propulsion 38 Akrotiri 38 voyaging 38 Canary Islands 37 Antiquity 37 Nibiru 37 psychic phenomena 37 Tarifa 37 Wadden Sea 37 Jodrell Bank 37 Galaxy Evolution 37 Salalah Oman 37 Phoenicians 37 Socotra 37 infrared telescope 37 Saturn moon 37 Ed Weiler NASA 37 archeologist 37 Baalbeck 37 Tristan da Cunha 37 Chios 37 Meteor Crater 37 excavations 37 archaeologically 37 rover Opportunity 37 Farnquist 37 Mediterranean coast