2nd century in architecture

Buildings

 * 104–106 – Alcántara Bridge across the Tagus is Spain is built by order of Trajan.
 * 113 – Trajan's Column in Rome is completed.
 * 122 – Construction of Hadrian's Wall in Britain begun.
 * c. 128 – Pantheon in Rome is completed.
 * 129/130 – Arch of Hadrian in modern Jerash, Jordan is completed.
 * 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.