Forty years after Martin Luther King's assassination, newsman Tom Brokaw, takes viewers through the extraordinary life and times of America's civil rights visionary. Go beyond the legend to portray the man, the questions, the myths, and the relevance of Dr. King's message in today's world.

As big a force as pterosaurs were in the history of life, they have largely remained a mystery to scientists. Now with the help of amazing special effects and engineering, learn about remarkable new discoveries that shed light on these creatures.

"This celebration of cemeteries across America takes an unusual and informative look at graves, monuments, family plots, sculpture, and the way cemeteries interconnect with many aspects of modern American culture. Traveling from Key West to central Alaska, the program features examples of burial grounds as special sites where history and art are preserved, where flowers and trees can be important attractions, where people make pilgrimages to the final...