Eastern Garbage Patch, aka Gilligan's Island
Steven Colbert reported Tuesday October 30, 2007 on the "Great Pacific Garbage Patch"
"It's heap of debris floating in the Pacific that's twice the size of Texas. To give you a sense of scale, Texas is a heap of debris one time the size of Texas."
Turns out the garbage is real and there is a nice Wikipedia entry on it, including links to both popular press articles as well as genuine science publications: