A visitor at the temporary memorial to the passengers and crew who perished when United Flight 93 crashed into this Shanksville, Pa. field, pauses at sunrise on Sept. 11, 2003.
Ground Zero
Delia Colom sits draped in an American flag near ground zero in New York, Sept. 11, 2003.
Nebraska
Brandon Stricker, a third grade student at Lake Minatare School, folds the U.S. flag as part of a presentation made to the school on the history behind the folding, Sept. 11, 2003, in Scotts Bluff, Neb.
California
Firefighter Ted Basaites, 42, stands at attention during a commemoration ceremony in Fullerton, Calif. The Fullerton Firefighters Association held a "Stand up for our fallen brothers" event, taking 10-15 minute shifts to stand at attention on a platform in front of U.S. flags and near a poster board with the photos of the firemen lost in the attacks.
Texas
Morgan, a member of Northway Baptist Church in Angleton, Texas, bows his head in prayer during a Sept. 11 memorial service, Sept. 10, 2003, marking the two-year anniversary of the terrorist attacks on the United States.
Phoenix
Phoenix firefighters climb the stairs at the Bank One Building, Sept. 11, 2003, in Phoenix in memory of those who died in the 2001 terrorist attacks. The 40 story Bank One Building is the tallest building in Arizona.
Indiana
David Beamer, father of United Flight 93 passenger Todd Beamer, illustrates how he gave his son Todd a big hug the last time they were together just a few weeks before the terrorist attacks on Sept. 11, 2001, during a remembrance service at Taylor University in Upland, Ind., Sept. 10, 2003.
Oregon
Identical twins Janita, left, and Jeannetta Ollison, 17, of Gresham, Ore., try to read some of the names of the victims printed on more than 2,600 "Flags of Honor" erected as a memorial to represent each person killed in the terrorist attacks at the World Trade Center buildings, the Pentagon and in Pennsylvania.
Boston
United Airlines employees share a group embrace during a moment of silence at 8:46 a.m. Sept. 11, 2003, at Boston's Logan Airport in memory of co-workers killed in the Sept.11, 2001, terrorist attacks. United and American Airlines flights originating from Boston were used in the attacks.
Rochester, N.Y.
Kelly Collins, a student at Monroe Community College in Brighton, N.Y., bows her head in memory of those who lost their lives on Sept. 11 two years ago, through void in a monument called Sept. 11 Remembrance Walk on campus in Rochester, N.Y., Sept. 11, 2003.
The Citadel
Cadet Sgt. Phillip Mantz checks his watch for the time before he plays "Taps" on Summerall Field at The Citadel in Charleston, S.C., at exactly 8:46 a.m., Sept. 11, 2003, to remember the moment when the first World Trade Center tower was attacked two years ago in New York.
Roanoke, Va.
Eddie Huffner with the Richmond Parks & Recreation Facilities, a guest at the Hotel Roanoke & Conference Center in Roanoke, Va., helps place U.S. flags on the front lawn of the hotel during a remembrance ceremony.
Cincinnati
Barry Dingler of Cincinnati flies the United States flag on a railroad overpass in Cincinnati, Sept. 11, 2003 as he gets the attention of honking drivers below on I-75.
Florida
Melaina Swander, 4, adjusts a plastic fire hat during a visit with her mom Dianna Smith to Gainesville Fire Station Number One, Sept. 11, 2003. The two came to show their appreciation for the firefighters.
New York City
People pray at ground zero in New York, Sept. 11, 2003.