For three years now, John Johnson has ventured into Brookland during the least viewed hours of the day to take photos.
John Johnson, 22, takes photos before dawn in his Brookland neighborhood once or twice a week. He likes to document the empty streets and things that go unnoticed when people are sleeping.
Someone must always be praying in a chapel at St. John Neumann Church, and the duty is handed off every hour, day after day, among 300 adorers.
Juan Carrasco, 50, prays every Monday from 2 a.m. to 3 a.m. at the chapel of perpetual adoration at St. John Neumann in Gaithersburg, Md.
After midnight a slice of K Street NW transforms into a runway for transwomen -- escorts, prostitutes and otherwise.
Staci Daniel, 23, is an escort who has seen the K Street NW strip change over the years.
Jim and Megan Kopp spend their waking hours driving between North Carolina and Virginia, checking on both of their drive-in theaters.
Jim Kopp's passion for drive-in movies took him to Stephens City, Va., where he operates The Family Drive-in Theatre with his wife, Megan.
This is no ho-hum taxi: Passengers wail and croon as a Virginia cabbie ferries them to and fro.
Joel Laguidao, 42, sings karaoke in his cab at night when he needs a break or wants to relax.
While many are sleeping, the Guardian Angels volunteer crime patrol unit works to safeguard the city.
Reporter Dan Zak and videographer Evelio Conteras are telling the stories of nocturnal Washingtonians
Wildlife rehabilitator Leslie Sturges cares for bats in her Northern Virginia home.
Leslie Sturges spends her summer nights feeding and caring for bats inside her Northern Virginia home.
Bob Taylor, 81, prowls Ben’s Chili Bowl during the hours around closing time, providing young revelers with Polaroid-frozen artifacts of their evenings.
Bob Taylor, 81, carries a Polaroid camera near Adams Morgan and U Street bars on weekend nights.
Taylor captures memories with his antique camera for U Street passersby.
The spin cycle brings people in and out of a 24-hour laundromat in Mount Pleasant.
Rony Alay, 28, sometimes misses family and friends in Guatemala. But he's found a home away from home working the night shift at a 24-hour laundromat in Mount Pleasant.
It’s the middle of the night, but for the EMT squad, this is no time for sleep. The call is coming.
Haley Lillibridge, 25, works overnight at CrisisLink, a 24-hour suicide call center in Arlington, Va.
In the dark hours of the night, a comforting voice picks up the phone to talk to distressed callers.
Dennis Parker at Mac’s in the District fixes wheels in the dead of night so others can cover the whole world of highway he dreams of exploring, too.
Dennis Parker reflects on working the overnight shift at Mac's Tire Service in Northeast D.C.