Alexander's Cartographerさんのイラストまとめ

The "Oxus Treasures" are artifacts from the Achaemenid Persian Empire that were found at a fort called "Takht-i Kuwad" in modern day Tajikstan
They were found in the 19th century by merchants from Bukhara, and while travelling to Kabul there were robbed

Yeshap is a monster from Chechen/Ingush pre-Islamic pagan mythology
A giant creature with nine eyes, nine arms and nine legs, covered in hair and lice
At the end of the earth there is the entrance to Underworld, the land of El, the entrance is guarded by a Yeshap

Nader Shah's campaign in Dagestan, 18th century