From University of Alberta:
"... An expedition to Antarctica has finally unearthed a unique dinosaur species, that though first discovered more than 20 years ago, remained buried until now.
University of Alberta paleontologist Phil Currie has just returned from the Trans-Antarctic Mountains, straddling the Antarctic Circle, where he says the creature, a unique meat-eating dinosaur Cryolophosaurus, lived for half the year in total darkness.
The skeleton is the highest dinosaur specimen in the world; and the altitude and the cold made for a tough expedition....
And here is a video of University of Washington students talking about why they go to Antartica for fossils.