The Museo Teatrale alla Scala ( La Scala Theatre Museum ) , accessible from the theater 's foyer and a part of the house , contains a collection of paintings , drafts , statues , costumes , and other documents regarding La Scala 's and opera history in general .
There is also a La Scala Museum ( Museo Teatrale alla Scala ) which has an extraordinary collection of paintings , drafts , statues , costumes , and other documents about opera and La Scala 's history .