http://www.nytimes.com/2008/09/25/nyregion/25ellis.html?partner=permalink&exprod...

A $20 million expansion will take the story of immigration told at the museum to the eras before and after the period when Ellis Island was the portal to America. Interior Secretary Kempthorne said the expansion would increase the museum’s “relevancy to the more diverse audiences who visit national parks today.” (Source: New York Times)