🇸🇦 Saudi Arabia · Geoglyph
Al-Thula Desert Kite Field (Jubbah Basin – Ha'il)
Neolithic humid phase (Holocene) · Jubbah lake-shore hunters
Jubbah paleolake-marginal kites: 16 funnels at Umm Sanman piedmont below UNESCO rock-art cliffs.
🇸🇦 Saudi Arabia · Rock art
Bir Hima Rock Petroglyphs and Inscriptions
Neolithic to Islamic (7000 BCE–1000 CE, peak South Arabian caravan 500 BCE–600 CE) · Neolithic hunter-pastoralists then South Arabian caravaneers (Qataban, Saba, Nabataean)
Caravan UNESCO 2021 on Najran incense route: 550 panels 100k petroglyphs 7000 BCE–Islamic with 28 caravan wells.
🇸🇦 Saudi Arabia · Rock art
Jubbah Rock Art – Jebel Umm Sinman
Holocene: Neolithic to Bronze Age to Thamudic · Successive Arabian Holocene cultures (hunter-herder to caravaneer)
10,000-year petroglyph palimpsest at Jebel Umm Sinman—UNESCO rock art on a vanished lake shore.
🇸🇦 Saudi Arabia · Rock art
Shuwaymis Rock Art – Jebel al-Manjor
Early Holocene humid to Bronze/Thamudic arid · Neolithic hunter-herders to Thamudic caravaneers
UNESCO escarpment with 300 panels—lions on leashed dogs and savanna fauna from Arabia's humid phase.
🇸🇦 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.
🇸🇦 Saudi Arabia · Ancient city
Hegra (Mada'in Salih)
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
Hegra
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…