Richard Piña, 69, with customer Augustin Bustos at Rich's Den barbershop in Calumet City, Ill. Piña, who retired from the Chicago police force 12 years ago, works at his shop four or five hours a day.
Beth Rooney for NPR
John David, 73, teaches an exercise class called PACE to seniors at the 92nd Street Y in New York City. The former TV producer says he has finally found his true calling.
Shiho Fukada for NPR
The nation's largest provider of nonmedical home care for seniors is now offering training to help family caregivers deal with the challenges of caring for an Alzheimer's patient.
The campus of the VA Medical Center in West Los Angeles was donated to the federal government more than 100 years ago for use as a home for wounded veterans. Building 209, pictured here, was designated as a place to house disabled homeless vets in 2007, but the VA has yet to start renovations.
Nancy Pastor for NPR
A 2011 sketch by artist Michael Heizer shows the walkway visitors will use to pass under the granite boulder at the center of the Los Angeles County Museum of Art's installation. (Click here to enlarge.)
Courtesy of Michael Heizer
A fire burns out of control at the corner of 67th St. and West Blvd. in South Central Los Angeles on April 30, 1992. Hundreds of buildings burned when riots erupted after the verdicts in the Rodney King case were announced.
Republican presidential hopeful Newt Gingrich, with his wife, Callista, delivers remarks Sunday during a rally with senior citizens at The Villages retirement community in Lady Lake, Fla.
Paul J. Richards/AFP/Getty Images