The Detroit Institute of Arts (DIA), located in Midtown Detroit, Michigan, has one of the largest and most significant art collections in the United States. With over 100 galleries, it covers with a major renovation and expansion project completed in 2007 that added . The DIA collection is regarded as among the top six museums in the United States with an encyclopedic collection which spans the globe from ancient Egyptian and European works to contemporary art. Its art collection is valued in billions of dollars, up to $8.1 billion according to a 2014 appraisal. The DIA campus is located in Detroit's Cultural Center Historic District, about two miles (3 km) north of the downtown area, across from the Detroit Public Library near Wayne State University.