Vertical Voyages takes students upward to sleep in the trees at John Burroughs School. This story first appeared in the Outdoors newsletter. Click here to learn more and sign up. Sometimes, Jon ...

Climbers Brian French and Will Koomjian ascend the Brummit fir in Coos County Oregon. It is the National Champion Douglas fir and stands 335 feet tall. Freesolo Photography / Sean O'Connor “Watch out!

With spikes on his shoes, a helmet on his head, a rope on his harness, and a chainsaw on his belt, Ken Gragg starts to climb.

Saying that a recent tree-climbing school was hands-on is a bit of an understatement. As an arboreal activity that requires a whole-body commitment, the course held Aug. 12-15 by Penn State Extension ...