🇸🇦 Saudi Arabia · Earthwork
Dumat al-Jandal Mustatil Field
Neolithic (pottery Neolithic, 5000 BCE) · Late Neolithic Arabian pastoralists
70 mustatil rectangles (5000–3500 BCE)—communal cattle-cult enclosures on the Jowf plain.
🇮🇷 Iran · Hydraulic works
Qanat of Gonabad (Qasabeh Qanat)
Iron Age to Sassanian (Achaemenid to late antiquity) · Persian (Achaemenid–Sassanian) hydraulicians
Oldest functioning qanat 33 km, 360-m mother well, Achaemenid c.700 BCE, 150 L/s Persian Qanat UNESCO.
🇮🇷 Iran · Hydraulic works
Qanat-e Zarch – Longest Qanat in Iran
Achaemenid to present (2,500 years continuous) · Persian qanat engineers (Achaemenid, Sassanian, Safavid)
71-km Zarch qanat—longest gravity aquifer tunnel on Earth (500 BCE–Safavid).
🇨🇱 Chile · Hydraulic works
Pica Oasis Socavones and Geoglyphs
Formative to Modern (Alto Ramírez to Colonial) · Tarapacá / Pica-Tarapacá / Hispanic oasis
Pica (1,350 m, 20°29′21″S 69°19′46″W) is the only living oasis of the Atacama with active filtration galleries (socavones) tapping the Pica Aquifer; study by Lictevout et al.
🇦🇲 Armenia · Earthwork
Armenian Desert Kites – Mount Aragats & Syunik
Bronze Age to Early Iron Age · Kura-Araxes to Trialeti pastoralists
20 high-altitude kites on Mount Aragats (3000–800 BCE)—Caucasus extension 1,200 km from Levant.
🇰🇭 Cambodia · Hydraulic works
West Baray — Angkor Hydraulic Reservoir
Angkor (Baphuon style middle Angkor) · Khmer Hindu (Suryavarman I court)
Khmer 7.8×2.1 km reservoir 1050 CE 53 million m³ with West Mebon island temple, hydraulic empire core.
🇨🇳 China · Rock-cut
Yungang Grottoes — Western Caves Extension (Caves 26–40)
Northern Dynasties (Northern Wei late) · Tuoba Wei (Xianbei) Buddhist with Han artisan school
UNESCO Yungang western 15-cave zone 494–525 with central-pillar and collapsed colossus.
🇴🇲 Oman · Hydraulic works
Aflaj al-Ain Nizwa Branch — Daudi Falaj Highland Channel
Sasanian to Islamic · Omani, Sasanian Persian, Ibadi
Nizwa Daudi mother well 30 m with 8-km tunnel and shari'a sharing basin, UNESCO aflaj highland branch.
🇾🇪 Yemen · Hydraulic works
Sadd el-Arim Secondary Dam — Marib North Spillway
South Arabian (Sabaean to Himyaritic) · Sabaean Saba and Himyarite
Marib north secondary 750-m earthen with Almaqah sluice temple 50 musnad inscriptions, Sabaean 750 BCE spillway.
🇨🇳 China · Hydraulic works
Dujiangyan Irrigation System
Warring States, Qin to Qing continuous · Qin state engineers under Li Bing (later successive dynasties maintenance)
256 BCE Qin weir still irrigating 5,300 km²—world's oldest dam-less hydraulic system.
🇪🇸 Spain · Rock art
Siega Verde Rock Engravings – Águeda River
Upper Palaeolithic (Solutrean–Magdalenian) · Solutrean–Magdalenian hunter-gatherers of western Iberia
443 Palaeolithic figures on Águeda schist—UNESCO trans-frontier extension of Côa Valley (20–10k BCE).
🇵🇰 Pakistan · Hydraulic works
Tara and Burj Karez System (Pishin Valley, Balochistan)
Early Modern on Iron Age antecedent (Achaemenid wad?) · Baloch / Brahui oasis with Afghan karez diffusion
Balochistan karez (fog-qanat) field (1,680 m, 30°12′N 67°03′E 30.20,67.05) in Pishin Lora valley between Khwaja Amran and Takht-i-Sulaiman ranges; twin karez Tara (1.8 km) and Burj (2.3 km) with…
🇴🇲 Oman · Hydraulic works
Buraimi Aflaj System (Oman-UAE Border Oasis)
Iron Age to Modern (Hafit to Islamic) · Hajar oasis (Magan to Islamic)
Cross-border aflaj network (320 m, 24°15′N 55°45′E Buraimi) extending the UNESCO Aflaj Irrigation Systems of Oman (1207, 2006) from Nizwa-Sharqiyah to the Hajar-Buraimi piedmont.
🇨🇳 China · Ancient city
Taosi
Late Longshan Taosi phase 2300–1900 BCE → Erlitou transition · Longshan (Taosi culture) → Early Xia? (Yao/Shun legend)
Late Longshan (Taosi phase) walled regional capital (c.2300–1900 BCE) at Tao Temple basin near Linfen, Shanxi — 280 ha enclosure (largest Longshan city in Yellow River basin) with rammed-earth outer…
🇹🇿 Tanzania · Earthwork
Engaruka
Iron Age Iraqw / Sonjo (15th–19th c intensive agricultural) · Iraqw / Sonjo (Datoga/Maasai pressure oral)
3,000 ha irrigated stone terrace and furrow system with 500+ compounds and 5 km canals on Rift escarpment – irrigation without state.
🇰🇿 Kazakhstan · Earthwork
Ustyurt Plateau Desert Kites – Kazakhstan/Uzbekistan
Early Iron Age to Early Medieval · Sarmatian, Alan and early Turkic steppe groups
200 Ustyurt steppe kites (1000 BCE–500 CE) funneling saiga across the Aral–Caspian plateau.
🇪🇹 Ethiopia · Temple complex
Debre Damo Monastery
Aksumite to Zagwe (6th c–12th c; core 6th c Nine Saints) · Ethiopian Orthodox (Aksumite Christian) monastic
Amba-top monastery accessible only by 15 m leather rope, founded 6th c by Nine Saint Aregawi on precipice with Aksumite wood-monkey-head church.
🇵🇪 Peru · Hydraulic works
Cumbemayo Aqueduct, Cajamarca
Andean Formative (Early Horizon) · Cajamarca (Cumbemayo culture) pre-Chavín
Andean 9-km zigzag rock-cut canal 1500 BCE with zigzag flow-slowing and Frailones hoodoos.
🇦🇿 Azerbaijan · Rock art
Gamigaya Petroglyphs
Eneolithic to Early Iron Age (Kura-Araxes to Urartian hinterland) · Kura-Araxes, Trialeti and Urartian-period highland pastoralists
Zangezur alpine boulder field at 3500 m with 1500 petroglyphs, highest Eurasian rock art.
🇹🇳 Tunisia · Ancient city
Dougga (Thugga)
Numidian to Byzantine (6th c BCE–6th c CE; peak 2nd–3rd c CE) · Numidian / Carthaginian / Roman / Byzantine
Hilltop Numidian–Roman city covering 70 ha, Dougga is Tunisia's best-preserved Roman town with Capitol, theatre, Ataban mausoleum and Punic sanctuary.
🇲🇳 Mongolia · Tumulus
Duurlig Nars Xiongnu Cemetery – Khentii
Late Iron Age, Xiongnu Empire · Xiongnu (Hunnu) northern imperial elite
Xiongnu elite shaft tombs in Khentii pine forest—Han silk 'Chanyu servant' inscription and lapis 4,000 km trade chain.
🇮🇹 Italy · Rock art
Valcamonica Rock Engravings – Naquane National Park
Epipalaeolithic to modern with Iron Age peak · Camunni (Rhaetic-adjacent Alpine) and predecessors
140,000 figures on 2,000 Alpine slabs—world's densest European rock art valley (UNESCO 1979 No.1 Italy).
🇨🇳 China · Hydraulic works
Turpan Karez Extension (Flaming Mountains North Piedmont)
Imperial Chinese (Ming-Qing) on Han antecedent · Turpan Uyghur / Han frontier
Eastern extension (30 m asl, 42°57′04″N 89°11′22″E Turpan municipal 42.9512,89.1895; Flaming Mountains 100 km E-W 42.98,89.20 500-850 m) of Turpan-Hami Silk Road karez water system UNESCO 1442 Silk…
🇦🇫 Afghanistan · Temple complex
Mes Aynak
Mauryan 3 c. BCE → Kushan 1–4 c. → Hepthalite 5–6 c. → Turk Shahis 7–9 c. · Gandharan Buddhist → Kabul Shahi Buddhist with metallurgic substrate
Copper-and-Buddhist hill city 40 km SE Kabul (3 c. BCE–9 c. CE) — 400 Buddha statues and 100 ha monasteries atop world's copper shafts.