At 2:50 p.m. on April 15, two bomb blasts turned the Boston Marathon finish line from a scene of triumph to tragedy, leaving three dead, hundreds injured and a city gripped by heartbreak and terror. Less than five days later, the key suspects were identified and apprehended, with one dead, the other in custody. How did investigators transform the chaos of the bombing into a coherent trail of clues, pointing to the accused killers? NOVA follows the manhunt step-by-step, examining the role modern technology — combined with old-fashioned detective work — played in cracking the case.

Celebrate Mother's Day with PBS Kids all day long!  Special Mother's day themed episodes of Curious George, Dinosaur Train, Daniel Tiger's Neighborhood, Sid the Science Kid and wordGirl!

Phyllis McGuire, Pat Boone and Nick Clooney host this nostalgic trip back to the 1950s. The program's mix of live performance and archival footage takes viewers back to the era's pop music days with classic moments from Patti Page, Perry Como, Debbie Reynolds, the McGuire Sisters and more.

This program takes viewers into the heat and heart of the Blenko glassworks to see how the beautiful, all-handmade, glassware is created. Each piece is unique and so are the artisans and members of the Blenko family who continue this proud, 100 year tradition.

This documentary chronicles the massive immigration of more than four million Italians to the United States between 1890 & 1930.

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In this last episode, Sagal travels to Iceland, where after the country’s economic collapse, leaders decided to create a new constitution, looking to the U.S. Constitution for inspiration. This prompts Sagal to consider why our own founding document has lasted more than 225 years. He looks at the systems that have kept the Constitution healthy — amendments, judicial interpretation, checks and balances — and also at the political forces that threaten to undermine the framers’ vision: excessive partisanship leading to gridlock, money in politics and gerrymandering.

Detroit: the grand American city, built on industry, fair play, hard work and the American Dream. In the past three decades, the city has seen its might crumble as oil prices spiked, the auto industry declined and the middle class began to disappear. But the people of Detroit are not ready to give up on this place, where the spirit of loyalty, community and grit is not so easy to break. They are ready to create a radically new Detroit in a post-industrial America.

ANTIQUES ROADSHOW host Mark L. Walberg discusses Northwest Coast Indian masks with appraiser Ted Trotta at the Burke Museum of Natural History and Culture. Seattle becomes the city that sparkles with the discovery of a late-16th-century diamond and enamel jewel. Other notable finds include a moose, elk and buffalo hide chair; an 1880s Crazy Quilt; and a white Steiff clown bear worth $2,500-$3,200.

From the Valley to Victory is the story of World War II as told through the people of the Triple cities who lived and fought in it. From the scrap dives on the home front to the bombing missions on the battle front, From the Valley to Victory relives the greatest crusade of our time through the eyes of the greatest generation of the 20th century.

“One of the holiday’s best TV traditions.”
                                     - USA Today
On the eve of Memorial Day, join co-hosts Joe Mantegna (“Criminal Minds”) and Gary Sinise (“CSI: New York”) for a night of remembrance featuring an all-star line-up performing with the National Symphony Orchestra. The 24th annual broadcast of the NATIONAL MEMORIAL DAY CONCERT airs live from the West Lawn of the U.S. Capitol before a concert audience of hundreds of thousands, millions more at home, and to our troops around the world on the American Forces Network.