Ancient World
Tomb KV53 is located in the Valley of the Kings, in Egypt. It was discovered in 1906 by Edward R. Ayrton excavating on behalf of Theodore M. Davis. It has been excavated but never been fully planned, and consists of a single chamber at the end of a shaft.
Bar Kokhba hiding complexes.
Jeddah.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.