🇩🇿 Algeria · Fortress
Ad Maiores
Roman to Byzantine (104 CE–7th c. CE) · Roman
Trajanic desert camp 130×80 m anchoring Fossatum Negrine segment.
🇱🇾 Libya · Hydraulic works
Cinyps Bridge (Wadi Ka'am)
Roman (Hadrianic, 2nd c. CE) · Roman (Tripolitania)
Three-arched Roman bridge (15 m spans) on Leptis coastal road.
🇲🇦 Morocco · Hydraulic works
Khettara of Hagoun High Atlas (High Atlas Hagoun Qanat)
Almoravid to Almohad 1080–1170 CE High Atlas mountain · High Atlas Berber Hagoun (Almoravid mountain oasis)
High mountain khettara 1.8 km 38 shafts to 22 m deep: Almoravid 1080 snowmelt schist 6 L/s to walnut terraces 8 ha 2200 m.
🇬🇧 United Kingdom · Hydraulic works
Shiant Isles Iron Age Vitrified Fort Cistern (Garbh Eilean Summit)
Middle Iron Age Atlantic (vitrified forte) · Minch Hebridean islanders
Summit vitrified dun (28×18 m) with plastered rock-cut rain cistern (5.5 m³) on Garbh Eilean, Shiants.
🇰🇭 Cambodia · Hydraulic works
Angkor Eastern Baray Cascade & Preah Thkol Extension (East Baray Satellite)
Angkor early (Yasovarman) 9th–10th c · Khmer devaraja hydraulicians
Eastern Baray cascade satellite 4 km east of Angkor East Baray: 3 linked laterite reservoirs buffering monsoon overflow.
🇪🇬 Egypt · Hydraulic works
Minufiyya Basin Canal & Dyke System (Nile Delta Apex Margins)
Old Kingdom to modern (4th Dyn–Aswan High Dam 1970) · Memphite–Fayum basin engineers; Islamic fellahin maintenance
Delta apex basin system 58 km NW Cairo: 22-km Bahr Shibin canal + 9 dykes forming 14 flood basins (18 km²).
🇯🇴 Jordan · Hydraulic works
Anabata (Anabeta) Reservoir Old City (Wadi Abu al-Qittayn Cistern City)
Hellenistic to Byzantine 250 BCE–450 CE · Hellenistic Balqa then Roman Decapolis chora
Walled twin cisterns 22×12×6 m 2,800 m³ with 420-m channel + 18 m dam closing gully — Hellenistic cistern-city 580×320 m.
🇱🇰 Sri Lanka · Hydraulic works
Abhaya Wewa (Abhayavapi) — Anuradhapura Ancient Reservoir
Anuradhapura period (400 BCE – 10th c. CE) · Anuradhapura Sinhalese (Sinhala hydraulic civilisation)
400 BCE 350-ha 3.8 Mm³ tank with Bisokotuwa sluice — world's earliest valve 3rd c. BCE.
🇵🇪 Peru · Ancient city
Choqepukio
Early Intermediate – Late Horizon (c.200 BCE–1532 CE, Wari peak 600–1000 CE) · Wari – Qotakalli – Inca
Choqepukio occupies the flat valley floor at the Huacarpay lagunas gateway to the Cusco Basin, 21 km southeast of Cusco.
🇪🇨 Ecuador · Earthwork
Upano — Villano Valley Lidar Gardens at Villano River West (Upano West)
Regional Development (200–600 CE) · Upano (Kilimope) / Huapula fringe
Western raised fields of Upano at Villano River — 120 beds 40×8 m and 2 km canal.
🇵🇪 Peru · Ancient city
Inkilltambo
Late Horizon (c.1430–1532 CE) Inca · Inca
Inkilltambo is a large Inca terrace-estate 2 km east of central Cusco on the Watanay's right bank at 3,520 m.
🇾🇪 Yemen · Hydraulic works
Sadd al-Arim Pylon 3 — Southern Spillway South Pylon (Marib Sadd al-Arim Pylon 3)
Sabaean (700 BCE–580 CE) pylons phased · Sabaean
Third limestone pylon (7.2 m high, 4.5 m wide) of Sadd al-Arim south sluice at Marib Dam (1,085 m), 80 m south of Pylon 1 (main dam axis).
🇮🇷 Iran · Hydraulic works
Qanat Baladeh – Ferdows (Ton) Qanat System
Sasanian to Early Islamic · Sasanian / Early Islamic Khorasan
35-km double-branch Sasanian qanat (500–800 CE) — 70-m mother well, 45 L/s to Ferdows oasis.
🇮🇳 India · Hydraulic works
Kallur Chola Tank (Kallur Eri) – Thanjavur Outlier
Chola Middle (Rajaraja I) · Tamil Chola (Muvendar)
95-ha Chola eri tank (c.1010 CE) at Kallur — Brihadeeswarar temple hydraulic outlier.
🇮🇶 Iraq · Hydraulic works
Sennacherib's Canal System & Jerwan Aqueduct
Iron Age Neo-Assyrian Empire (705–681 BCE Sennacherib) · Neo-Assyrian imperial engineers under Sennacherib
690 BCE Assyrian 300-m stone arch aqueduct—world's oldest bridge-aqueduct carrying Nineveh's 80-km canal.
🇸🇾 Syria · Hydraulic works
Qasr al-Hayr East Canal Extension (Harbaqa Reservoir East Canal to Palmyra Steppe Palace)
Byzantine to Umayyad (580–728 CE) Palmyra steppe · Byzantine–Umayyad steppe palace (Hisham)
East Harbaqa canal 8.2 km rock-cut 2.2×1.4 m with 12 evaporation covers 180 m to Hayr East hayr 2.8 km wall.
🇮🇱 Israel · Hydraulic works
High-Level Aqueduct of Caesarea Maritima
Herodian to Byzantine (22 BCE – 640 CE) · Herodian Jewish-Roman and Roman Imperial
Herodian-Hadrianic 10-km dune arcade twin aqueducts feeding Sebastos harbour 7 km.
🇮🇶 Iraq · Hydraulic works
Nimrud Dam and Canal on the Tigris (Nimrud Foothill Dam)
Neo-Assyrian (Ashurnasirpal II) · Assyrian Imperial (Kalhu capital phase)
Kalhu's Tigris diversion rubble dam 40-m with 27-km Patti-hegalli canal 883 BCE.
🇧🇬 Bulgaria · Hydraulic works
Seuthopolis Reservoir Embankment East
Hellenistic (400-200 BCE) · Thracian
Seuthopolis Reservoir Embankment East in Kazanlak, Stara Zagora, Bulgaria is a Hellenistic (400-200 BCE) hydraulic attributed to Thracian.
🇺🇸 United States · Earthwork
Ortona Indian Mounds
Late Woodland – Glades I–II (300 BCE–1150 CE) · Glades / Calusa tradition (Okeechobee Basin)
Late Woodland–Glades/Calusa affiliated town (300 BCE–1150 CE, peak 550–850) spread 5 sq mi along Caloosahatchee River north bank: 3 sand mounds (Mound A Plaza 3.5 m, Mound B and borrow mound), 2…
🇹🇳 Tunisia · Hydraulic works
Zaghouan Aqueduct — Carthage Water Supply
Roman Imperial (Hadrianic, 2nd c. CE) · Roman Africa Proconsularis (Latin-Tunisian)
Hadrianic 132-km aqueduct Zaghouan to Carthage with 17-km arcade, Rome's longest.
🇪🇬 Egypt · Hydraulic works
Sadd el-Kafara North Embankment Wadi Garawi
Old Kingdom · 4th Dynasty Egypt (Sneferu to Khufu horizon)
North wing 55 m of world's oldest large dam (Old Kingdom) breached during construction.
🇮🇷 Iran · Hydraulic works
Band-e Ashura — Shushtar Gargar Outflow Regulator (Ashura Weir)
Sasanian to Safavid re-use (260 CE Sasanian–1650 Safavid regulation) · Sasanian
Outflow regulator weir (8 m high, 95 m crest) on Gargar Canal 2.1 km downstream of Band-e Gargar–Darian Canal head (already in DB as band-e-gargar-canal) at 45 m elevation.
🇦🇷 Argentina · Ancient city
El Shincal de Quimivil – Southernmost Inca Capital
Late Horizon Inca Imperial (1471–1536 CE, abandoned post-1536) · Inca (Topa Inca – Diaguita / Calchaquí conquest)
Inca provincial capital (1470–1536) in Catamarca, the southernmost planned Inca city in the empire, founded by Topa Inca Yupanqui to govern Calchaquí valley Diaguita conquest: fully orthogonal Inca…