Exploratorium
/ikˌsplôrəˈtôrēəm
/noun [usually in names] trademark
A scientific museum or similar center at which visitors have the opportunity of performing prearranged experiments or demonstrations.Visit a hall of science, museum of science, zoo, aquarium, exploratorium and planetarium.
Origin
1960s: coined by F. Oppenheimer, director of the San Francisco Exploratorium, from exploration and -orium.