Tibet
NYC Swim
Redwoods
Area 51
Stills from Sir Chris Bonington's expedtion to Sepu Kangri, Nyangla Tanglha Mountains, Eastern Tibet.
Click on an image to view the slideshow.
The annual Manhattan Island Marathon Swim, 2010.
One complete circuit of Manhattan. A distance further than the English Channel crossing.
Textures and patterns in the world's tallest trees.
Coastal Redwoods, Northern California.
Stills from UFO: Down to Earth, our series for
The Discovery Network.