President Bush today dedicated the Pentagon Memorial to the victims of the 9/11 attacks in D.C.; the memorial is centered on 184 benches, one for each of the victims. Its beauty is in its understated symbolism:
Here's a view of the memorial at night:
Steeljaw Scribe has a powerful essay on his memories of that day that's well worth a read.
As the motto of the newly-christened USS New York (LPD 21) says: "Never Forget".
Update 1112 11 Sep: The COMSUBFOR PAO office released a picture from today of the officers and crew of USS Newport News (SSN 750) honoring the fallen of seven years ago: