Montana’s Big Sky embraces winter

The alkaline pools give the Yellowstone landscape an eerie, desolate appearance in contrast to the usual green of the summer season.   (Randall Weissman / Tribune Newspapers)

Young male elk sparring is only one highlight of the winter wildlife activity in Yellowstone National Park.

In winter, the heat from the eruptions of Yellowstone National Park’s famous Old Faithful geyser produces huge clouds of steam in the frigid air.  (Randall Weissman / Tribune Newspapers)