While the 19th century vision of America was as untrammeled wilderness -- overwhelming, majestic and sublime -- a new exhibit at the Smithsonian American Art Museum shows a grittier 20th century America, altered by its inhabitants. "Landscapes in Passing" features…

Photographer and professor Richard Ross has spent the last five years documenting juvenile detention facilities throughout the nation. The NewsHour recently spoke with him in his studio at the University of California, Santa Barbara.