Professional snowboarder looking over the ledge at extreme terrain, Ushuaia, Patagonia, Argentina, South America PacificStock
Northern Lights dancing over the James Dalton Highway north of Fairbanks, Interior Alaska, Winter PacificStock
Mount Adney reflected in a pond along the Dempster Highway in the northern Yukon; Yukon, Canada PacificStock 8
Guided-missile destroyer USS Gridley left passes the guided-missile cruiser USS Chancellorsville. StocktrekImages
Aircrew of an AH-64 Apache helicopter conducting preflight checks before lifting off from the USS Nassau. StocktrekImages