🇮🇳 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.
🇮🇳 India · Archaeological wonder
Rani ki Vav (Queen's Stepwell)
Solanki Chaulukya 1022–1063 CE · Gujarati / Solanki Hindu (Maru-Gurjara)
Jewel-box stepwell (1022–1063 CE) built by Queen Udayamati in memory of Bhima I, 64 m long with seven descending galleries and 500+ principal sculptures.
🇮🇳 India · Temple complex
Sun Temple — Modhera
Chaulukya–Solanki Golden Age (960–1243 CE) · Hindu Solanki (Gurjara–Pratihara derivative); Surya cult
1026 Bhima I Chaulukya: 100-m Surya Kund mirror tank and equinox-aligned sanctum on Tropic of Cancer.
🇮🇳 India · Rock-cut
Karla Caves
Hinayana Buddhist, Satavahana period 2nd c. BCE – 2nd c. CE · Buddhist (Theravada) merchants and Satavahana dynasty
India's largest Buddhist chaitya hall (45 m) with original timber ribs, 1st c. BCE–CE.