It's also the name of a town in Portugal.
https://www.atlasobscura.com/places/village-of-monsanto-boulders
https://en.wikipedia.org/wiki/Castle_of_Monsanto
https://en.wikipedia.org/wiki/Monsanto_(Idanha-a-Nova)
It's also the name of a town in Portugal.
https://www.atlasobscura.com/places/village-of-monsanto-boulders
https://en.wikipedia.org/wiki/Castle_of_Monsanto
https://en.wikipedia.org/wiki/Monsanto_(Idanha-a-Nova)