own spot in Jantar Mantar, Jaipur, India. Jantar Mantar is a kind of gigantic astronomical park. My understanding is that it had practical, religious and entertainment purposes. Wikipedia says it has the world’s largest sundial.

http://museumsrajasthan.gov.in/mounment_Jantar-Mantar.htm

https://en.wikipedia.org/wiki/Jantar_Mantar,_Jaipur