🇪🇬 Egypt · Archaeological wonder
Abu Mena
Late Roman to Early Byzantine 4th–7th c. CE, peak 5th–6th c. · Coptic Christian / Byzantine Egyptian
Desert pilgrimage city of Saint Menas, 4th–7th c., now endangered by water table rise.
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🇲🇩 Moldova · Ancient city
Orheiul Vechi Cave Monastery and Geto-Dacian Fortress
Iron Age Geto-Dacian (5th–1st c. BCE) + Medieval Tatar Golden Horde Shehr al-Jadid 14th c. + cave monastery 13th–18th c. · Geto-Dacians, Golden Horde, Moldovan monks
Orheiul Vechi Cave Monastery and Geto-Dacian Fortress in Orhei District, Trebujeni–Butuceni, Răut river loop cliffs, Moldova is a Iron Age Geto-Dacian (5th–1st c.
🇴🇲 Oman · Buried city
Iram of the Pillars – Ubar, Atlantis of the Sands (Hypothetical)
Iron Age to Late Antique (1000 BCE – 500 CE) · Arabian frankincense / South Arabian / Parthian
Qur'anic Iram dhat al-'Imad — 1992 SAR identified Shisr 8-tower limestone fortress collapsed into sinkhole c. 500 CE (contested as Ubar).
🇫🇲 Micronesia · Buried city
Nan Madol – Atlantis of the Pacific Pseudo-Claim, Pohnpei
Medieval Pacific (1180–1628 CE Saudeleur; 1628–1835 Nahnmwarki) · Pohnpeian / Saudeleur / Nahnmwarki
92 basalt-log islets 1180 CE on Pohnpei reef — 750,000 tonnes columnar basalt Venice of Pacific, pseudo-grafted to Mu/Lemuria 14k BCE (typhoon slump at −6 m, not Atlantis).
🇹🇭 Thailand · Ancient city
Si Thep Historical Park (Ancient Town of Si Thep)
Dvaravati Culture 6th–13th CE (Mon) → Khmer → Ayutthaya · Dvaravati Mon (Austroasiatic Mon) with Mahayana–Hindu–Theravada syncretism
Dvaravati (Mon) ancient twin-city (c.500–1300 CE) on the Pa Sak plains 200 km north of Bangkok in Phetchabun — UNESCO World Heritage 2023 'The Ancient Town of Si Thep and its Associated Dvaravati…
🇨🇾 Cyprus · Submerged site
Amathus Harbour – Ancient Amathous Naval Basin, Cyprus
Hellenistic to Byzantine (312 BCE – 1191 CE) · Cypriot-Greek / Ptolemaic / Roman
312–294 BCE outer harbour of Amathus city-kingdom preserved as three rubble moles at −4 m — Cyprus's first underwater archaeological park off Agios Tychonas.
🇾🇪 Yemen · Hydraulic works
Sadd al-Arim Secondary Dam
Sabaean Kingdom 750 BCE - 570 CE · Sabaean (Saba) kingdom
750 BCE Sabaean secondary saddle dam (420 m) and north sluice extension of Marib, doubling irrigated area via 2.1 km north canal.
🇪🇬 Egypt · Buried city
Sais – Buried Saite Capital Harbour at Sa el-Hagar
Early Dynastic to Late Antique (3500 BCE – 400 CE) · Egyptian Saite / Persian / Greek mercenary / Ptolemaic
Saite 26th Dyn capital 664 BCE — Neith enclosure 700x600 m with walls 20 m thick and harbour 600x300 m now sebkha at +2 m under 8 m silt.
🇮🇶 Iraq · Hydraulic works
Nimrud Dam
Neo-Assyrian Empire 879-612 BCE · Assyrian Neo-Assyrian imperial engineers
879 BCE Assyrian Tigris weir dam (200 m) at Nimrud with 5 gated sluices feeding Sennacherib's canal cascade to Nineveh.
🇮🇱 Israel · Hydraulic works
Mamilla Pool & Low-Level Aqueduct to Jerusalem
Second Temple (Herodian) to Byzantine · Herodian Jewish / Roman / Byzantine
Mamilla (Birket Mamilla) reservoir (760 m asl, 31°46′42″N 35°13′15″E 31.7786,35.2209) 650 m NW of Jaffa Gate in centre of Mamilla Cemetery, one of Jerusalem's ancient pools (Upper pool of Gihon)…
🇹🇷 Turkey · Submerged site
Myndus – Drowned Carian Harbour at Gümüşlük
Archaic to Late Antique (700 BCE – 600 CE) · Dorian Greek / Carian / Roman / Byzantine
Dorian Myndus — 150 m causeway to Rabbit Island and drowned harbour walls at −3 m in Gümüşlük Bay, walkable at low tide.
🇮🇳 India · Ancient city
Besnagar
Mauryan–Sunga–Satavahana–Gupta 600 BCE–500 CE · Magadhan → Sunga → Satavahana → Gupta
Ancient Vesanagara city mound at Betwa-Bes confluence — Sunga–Satavahana twin capital of Vidisha (600 BCE–500 CE).
🇵🇰 Pakistan · Hydraulic works
Bir-Kot Ghundai Canal
Late Bronze to Indo-Greek (Gandhara) 1400 BCE - 200 CE · Gandhara Grave Culture to Indo-Greek
Late Bronze rock-cut canal (3 km, 4 m wide, 1390 BCE) diverting Swat River to Bir-Kot Ghundai Indo-Greek city.
🇵🇪 Peru · Ancient city
Conchopata
Middle Horizon (c.600–800 CE) Wari Empire · Wari (Huari)
Conchopata, 9 km northeast of Ayacucho city at 2,800 m, is the celebrated Wari satellite city where William Isbell and Anita Cook uncovered the empire's face-neck jar cult.
🇨🇾 Cyprus · Buried city
Enkomi – Buried Bronze Age Harbour of Alashiya, Mesaoria Plain
Late Bronze Age (1600–1050 BCE) · Cypriot-Alashiyan / Mycenaean / Levantine
Alashiya capital 1600 BCE — Pedieos estuary harbour 400x200 m silted 3 km inland with Cyclopean walls 15 m thick and copper oxhide ingots.
🇬🇷 Greece · Submerged site
Gytheio – Submerged Roman Harbour of Laconia
Classical to Late Antique (500 BCE – 600 CE) · Spartan / Roman
Sparta's naval harbour — Roman quays and 70 m concrete mole now at −4 m off Gytheio and Marathonisi, mapped by Flemming 1968–71.
🇨🇾 Cyprus · Submerged site
Salamis Harbour – Sunken Harbour of Evagoras, Famagusta
Iron Age to Early Byzantine (1100 BCE – 648 CE) · Cypriot-Greek / Phoenician / Ptolemaic / Roman / Byzantine
Twin lagoon harbours of Evagoras's Salamis drowned 2.0 m — Flemming 1974 mapped diagonal causeway and quays at −2 m in Famagusta lagoon.
🇲🇽 Mexico · Ancient city
Cempoala
Postclassic (c.1200–1519 CE) Totonac – Late Classic foundations · Totonac
Cempoala (Nahuatl Cēmpoalātl, place of twenty waters) is the lowland Totonac metropolis on the coastal plain at Úrsulo Galván, Veracruz, at 10 m asl.
🇧🇷 Brazil · Ancient city
Kuhikugu — Eastern Plaza Cluster K10 at Seki Lake East (Xingu East)
Late Pre-Columbian (800–1600 CE) · Upper Xingu / ancestral Kuikuro Arawak
Eastern plaza K10 of Kuhikugu cluster on Seki East — 12 ha plaza with ditch and 1.2 km causeway.
🇵🇪 Peru · Ancient city
Huaycán de Pariachi
Late Intermediate – Late Horizon (c.900–1532 CE) Ychsma – Inca · Ychsma – Inca (Ichma)
Huaycán de Pariachi dominates an alluvial wedge above the lower Rímac at Ate, east Lima. As the largest Ychsma center on the central coast before Pachacamac's Inca remodelling, its monumental core…
🇨🇾 Cyprus · Submerged site
Kition-Bamboula – Phoenician Harbour Anchorage at Larnaca
Late Bronze Age to Medieval (1400 BCE – 1200 CE) · Mycenaean / Phoenician / Ptolemaic / Roman
Phoenician Kition 9th c. BCE — 6 ship sheds at −1 m and 60 m mole at −1.5 m under Larnaca Bamboula seafront.
🇹🇷 Turkey · Submerged site
Halicarnassus – Submerged Moles of Bodrum Harbour
Archaic to Byzantine (1070 BCE – 1402 CE) · Carian / Greek / Persian satrapal / Roman / Byzantine / Hospitaller
Herodotus birthplace — Mausolus capital with two moles now −4 m under Bodrum Marina, traced by multibeam bathymetry.
🇹🇷 Turkey · Temple complex
Myus Temple of Dionysus — Avşar Kalesi Peninsula
Archaic to Roman · Ionian, Hellenistic, Carian
Avşar Peninsula white marble Dionysus 2nd BCE (Hermogenes) with theatre above Maeander silt gulf, smallest Ionian League city.
🇵🇪 Peru · Fortress
Waqrapukara
Late Intermediate – Inca (c.1100–1532 CE) · Kana – Colla – Wari – Inca
Waqrapukara (Quechua waqra horn + pukara fortress) is a spectacular condor-shaped citadel perched at 4,110 m on the Apurímac canyon rim near Pomacanchi, Cusco.