List of oldest known surviving buildings

Columns: Building | Country | Continent | First Built | Use | Notes
Porta Nigra | Germany | Europe | 180 AD | Roman city gate | It is today the largest Roman city gate north of the Alps | Knossos | Greece | Europe | 2000-1300 BC | Palace | Minoan structure on a Neolithic site | Dholavira | India | Asia | 2600-2100 BC | Reservoir | A planned urban settlement comprising reservoirs , pottery artifacts , seals , ornaments , vessels , etc | Chogha Zanbil | Iran | Asia | 1250 BC | Temple | One of the few extant ziggurats outside of Mesopotamia | The Ziggurat of Dur-Kurigalzu | Iraq | Asia | 14th century BC | Probably religious rituals | Built by the Kassite King Kurigalzu I | Newgrange | Ireland | Europe | 3200-2900 BC | Burial | Partially reconstructed around original passage grave | Monte d'Accoddi | Italy ( Sardinia ) | Europe | 4000-3600 BC | Possibly an open-air temple , a ziggurat , or a step pyramid , mastaba | A trapezoidal platform on an artificial mound , reached by a sloped causeway

Example questions:
Which explorer is suspected to have connection with this archaeological site located in this country made up of ten provinces and three territories ? | Who built this fort on the island located in the world 's sixth-largest country ? | On which island in this country of 5.8 million inhabitants is this grave passage located ? | What is the land area of this country where the largest Roman city gate north of the Alps is located ?

Answers:
Leif Erikson | survivors of the Batavia shipwreck and massacre | Langeland | 357,386 square kilometres