2nd century in architecture
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Buildings and structures
=Buildings=
File:L'Olympieion (Athènes) (30776483926).jpg]]
- 104–106 – Alcántara Bridge across the Tagus is Spain is built by order of Trajan.{{cite book |last1=Charles |first1=Victoria |title=Bridges |date=2015 |publisher=Parkstone International |isbn=9781785257261 |page=11 |url=https://books.google.com/books?id=TcQ8DAAAQBAJ&pg=PA11|language=en}}
- 113 – Trajan's Column in Rome is completed.{{cite web |title=Trajan's Column {{!}} Location, Description, History, & Facts |url=https://www.britannica.com/topic/Trajans-Column |website=Encyclopedia Britannica |accessdate=17 March 2019 |language=en}}
- 122 – Construction of Hadrian's Wall in Britain begun.{{cite web |title=History of Housesteads Roman Fort |url=https://www.english-heritage.org.uk/visit/places/housesteads-roman-fort-hadrians-wall/history/ |website=English Heritage |accessdate=17 March 2019}}
- c. 128 – Pantheon in Rome is completed.{{cite web |title=Pantheon {{!}} building, Rome, Italy |url=https://www.britannica.com/topic/Pantheon-building-Rome-Italy |website=Encyclopedia Britannica |accessdate=17 March 2019 |language=en}}
- 129/130 – Arch of Hadrian in modern Jerash, Jordan is completed.{{cite book |last1=Teller |first1=Matthew |title=The Rough Guide to Jordan |date=2009 |publisher=Rough Guides Limited |isbn=9781848360662 |page=159 |url=https://books.google.com/books?id=9zR8SnUSv7AC&pg=PA159|language=en}}
- 132 – Temple of Olympian Zeus, Athens, begun around 520 BC, is completed.
- 134 – Ponte Sant'Angelo in Rome is completed.
- 180–200 – Porta Nigra in Trier, Germania, is constructed.
- year unknown – Kallanai Dam (Grand Anaicut) in Tamil Nadu is completed.