Jerusalem’s annual Batim MaBefnim, (Houses from Within) are free open houses, with over 100 options in all parts of the city. This article highlights the Art Museum in Heichal Shlomo, Beit Kadima, the Miffal, Hansen House and especially Villa Mamilla.
http://rjstreets.com/2018/10/24/jerusalem-open-houses-and-busy-streets/