🇮🇳 India · Hydraulic works
Dholavira Rock-Cut Reservoirs – Rann of Kutch
Early to Mature Harappan to Late Harappan · Harappan (Sindhu–Sarasvati)
16 Harappan rock-cut reservoirs (2600–1900 BCE) — 250,000 m³ desert catchment, Dholavira.
🇧🇷 Brazil · Ancient city
Kuhikugu — Seki Lake Southern Reservoir Cluster K17
Xinguano late 1100–1600 CE · Xinguano (ancestral Kuikuro)
Southern reservoir satellite K17 of Kuhikugu — 140 m reservoir and plazas at Seki Lake south, Xingu hydraulic answer to Upano.
🇮🇳 India · Hydraulic works
Dholavira Reservoirs — Harappan Urban Hydraulics
Harappan (Early to Late Harappan 3000–1800 BCE) · Harappan (Indus Valley Civilization Kotada Timba)
Harappan desert city 16 rock-cut reservoirs and dam-fed canals 3000–1800 BCE on Kutch island.
🇧🇷 Brazil · Ancient village
Kuhikugu — Central Reservoir Cluster K12 at Seki Lake Central (Xingu Central)
Late Pre-Columbian (900–1600 CE) · Upper Xingu / ancestral Kuikuro Arawak
Central reservoir K12 of Kuhikugu at Seki isthmus — 80×60 m embanked reservoir and 900 m canal.
🇪🇷 Eritrea · Ancient city
Matara (Metara)
Pre-Aksumite Ethio-Sabaean to Late Aksumite (800 BCE–800 CE) · Ethio-Sabaean D'MT / pre-Aksumite → Aksumite
10 ha highland caravans town with Hawulti 5.5 m Sabaean obelisk, Aksumite stelai, palace of Kaskase and dam reservoir.
🇮🇱 Israel · Hydraulic works
Ma'agan Michael Byzantine Reservoir & Aqueduct
Byzantine (Justinianic) · Byzantine Palestina Prima
Byzantine 6.5-ha reservoir (c.530 CE) on Nahal Taninim — Caesarea hinterland water buffer.
🇪🇸 Spain · Megalith
Dolmen de Guadalperal
Late Neolithic – Chalcolithic · Extremadura Megalithic (Tagus basin Chalcolithic)
Extremadura's 'Spanish Stonehenge' — oval chamber + 144-stone ovoid enclosure in Valdecañas reservoir, visible only in drought.
🇬🇹 Guatemala · Pyramid
Nakum Acropolis Pyramids
Maya Classic to Postclassic · Maya Nakum polity
Holmul River city Nakum (250–1200 CE): 15 m Acropolis Building 99 palace-pyramid and triadic Group East, Postclassic stela plaza — rare Terminal Classic continuity.
🇮🇷 Iran · Hydraulic works
Nush-i Jan Median Dam and Reservoir (Malayer Valley Cistern)
Median Kingdom (750-550 BCE) – earlyMedian · Median (western Iranian)
Median rockfill dam and plastered cistern (42 m x 4.8 m, 2,200 m³) at fire-temple citadel of Nush-i Jan (750 BCE).
🇮🇳 India · Temple complex
Andher
Mauryan 3rd c BCE → Sunga–Gupta 2nd c BCE–5th c · Mauryan → Sunga → Gupta
Sanchi SE terminus — 3 brick stupas (Stupa 1 17 m) on watershed with reservoir (17 km SE).