For 26 years, Reading Rainbow host LeVar Burton (left) shepherded kids through the exciting world of books. The show, which fostered a love of reading, was the third longest-running program in PBS history, outlasted only by Sesame Street and Mister Rogers' Neighborhood. GPN/Nebraska ETV Network; WNED Buffalo hide caption

toggle caption GPN/Nebraska ETV Network; WNED Buffalo

Boxcar Limited: Migrant children Fito, Jairo and Kevin ride atop a freight train as they make their way toward the United States. Mr. Mudd Productions/HBO hide caption

toggle caption Mr. Mudd Productions/HBO

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