If you're ready to get your heart pumping, check out this stunning mountain hike on eastern Kauai for breathtaking views and ...

UC Davis professor Hugh Safford found the highest living tree in California on a recent hike through the High Sierra.

A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations.

A black and white film of a group of Chicago men's 1930 trip into the Beartooth Mountains and Camp Sawtooth dude ranch ...

Scientist finds Jeffrey pine trees at record mountain heights, suggesting climate-driven shifts in Sierra Nevada.

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