Vienna, Austria ��� View of the Donnerbrunnen, a Baroque fountain located on Neuer Markt square, featuring allegorical figures and sculpted by Georg Raphael Donner.

Donner Lake and the Sierra Mountains and a dead pine tree on a partly cloudy day in California

A man skiing powder snow on a rock on Donner Summit in California.

A man skiing off a cliff above Donner Lake California.

Beth Rodden moves up the arete on Aerial, a 5.11b climb, on Donner Summit in California. Beth Rodden is one of the world's leading climbers.

The Peter Grubb hut was built by the Sierra Club in 1938-39, and is a backcountry ski in hut on Donner Pass

Winter sunset on the Sierra crest near the Peter Grubb hut on Donner Pass

A young man ascends after rappelling off the Donner Pass Bridge in Truckee, California.

Winter sunset on the Sierra crest near the Peter Grubb hut on Donner Pass