The Mausoleum of Avicenna is a monumental complex located at Avicenna Square, Hamadan, Iran.
Dedicated to the Iranian polymath Avicenna, the complex includes a library, a small museum, and a spindle-shaped tower inspired by the Ziyarid-era Kavus Tower.
Wikipedia https://en.wikipedia.org/wiki/Avicenna_Mausoleum
Address (Unnamed Road), Hamadan, Iran
Coordinates 34°47'29.511" N 48°30'47.276" E