30th century BC in architecture

• Alvastra pile-dwelling – circa 3000 BC in Neolithic Scandinavia
• Barbar Temple – oldest of the three temples built in 3000 BC, in present-day Bahrain{{cite book |last1=al-Iʻlām |first1=Bahrain Wizārat |title=Bahrain Through the Ages: The Archaeology |date=1986 |publisher=Routledge |isbn=978-0-7103-0112-3 |page=46 |url=https://books.google.com/books?id=2hmbc9evgB0C&pg=PA46 |language=en}}
• Diraz Temple – circa 3rd millennium BCE, in present-day Bahrain
• Tepe Sialk – claimed to be the world's oldest ziggurat built in 3000 BC, in present-day Iran

• 29th century BC
• 29th century BC in architecture
• Timeline of architecture

{{Reflist}}

*BC

Architecture

{{architecture-stub}}