Tomb of Darius I
Marvdasht County, Iran
The tomb of Darius the Great (or Darius I) is one of the four tombs for Achaemenid kings at the historical site of Naqsh-e Rostam, located about 12 kilometres (7.5 mi) northwest of Persepolis in Iran. They are all situated at a considerable height above ground-level.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).