🇸🇦 Saudi Arabia · Hydraulic works
Wadi Hanifah Dams (Diriyah Dam System)
Najdi Emirate to First Saudi State · Najdi oasis (Diriyah Amirship)
Wadi Hanifah: 6 Najdi 15th-18th c. wadi dams at Diriyah UNESCO site, Riyadh 24.73N 46.57E.
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3 places to sift through. Narrow by kind, country, period or how firmly each one is established — contested and pseudoarchaeological claims are labelled here, never hidden.
🇸🇦 Saudi Arabia · Hydraulic works
Najdi Emirate to First Saudi State · Najdi oasis (Diriyah Amirship)
Wadi Hanifah: 6 Najdi 15th-18th c. wadi dams at Diriyah UNESCO site, Riyadh 24.73N 46.57E.
🇸🇦 Saudi Arabia · Ancient city
Nabataean to Roman (1st c BCE–106 CE annexation; tombs 1st c CE) · Nabataean / Roman / Thamudic
Southernmost major Nabataean city on incense route, Hegra preserves 111 rock-cut tombs with facades akin to Petra (but freestanding massifs), hydrological wells, and Roman annexation inscriptions.
🇸🇦 Saudi Arabia · Ancient city
Lihyan to Nabataean to Roman Arabia Petraea · Nabataean Arab
Second capital of Nabataean kingdom after Petra (1st c. BCE–106 CE), with 131 rock-cut monumental tombs with decorated façades (Qasr al-Farid loner tomb iconic), Nabataean Aramaic inscriptions…