Benjamin Olson / Northern White Cedar (Thuja occidentalis) tree with Pileated Woodpecker (Dryocopus pileatus) holes, Superior National Forest, Minnesota

Benjamin Olson / Northern White Cedar (Thuja occidentalis) tree with Pileated Woodpecker (Dryocopus pileatus) holes, Superior National Forest, Minnesota

Jim Brandenburg / Northern White Cedar (Thuja occidentalis) forest, Superior National Forest, Minnesota

Benjamin Olson / Fairy Slipper Orchid (Calypso bulbosa) flower in old growth Northern White Cedar (Thuja occidentalis) forest, northern Minnesota

Benjamin Olson / Northern White Cedar (Thuja occidentalis) needles swirling in eddy in autumn, northern Minnesota

Benjamin Olson / Northern White Cedar (Thuja occidentalis) trees at lake during storm, Minnesota

Benjamin Olson / Red Squirrel (Tamiasciurus hudsonicus) climbing Northern White Cedar (Thuja occidentalis), Grand Marais, Minnesota

Benjamin Olson / Northern White Cedar (Thuja occidentalis) needles spinning in eddy at base of waterfall near Grand Marais, Minnesota, multiple exposures