The constructivist work of Bottrop painter Josef Albers gave rise to the name of this museum.«Homage to the Square» is how the former Bauhaus lecturer named his study of the effects of and on colour. Visit the adjoining sculpture park containing works by Max Bill, Donald Judd, and Norbert Kricke. The same complex houses the Museum of Pre and Local History. The Ice-Age Hall houses Germany's largest Quaternary Era collection.