A massive, 16,000-pound boulder fell on a climber in Oregon. See photos and videos of the complicated rescue here.

An outbreak of norovirus is affecting dozens of hikers on the Pacific Crest Trail. One man even required an air lift off the trail.

Two hikers feared for their lives when they encountered two grizzly bears chasing each other on and around a trail in Glacier National Park.

Two mountaineers who reached the summit of Mount Everest during a busy week at the world’s tallest mountain have died on their descent.

An unusual Long Island traffic situation involved an osprey flying through cars, carrying a large fish. Watch here.

A trail runner survived a bear attack in British Columbia, Canada, after a mother bear with two cubs defensively swiped at him.

Ollie Bergquist set off from the California coast as a 17 year old and docked in Hawaii as an 18 year old after sailing the route solo.

A moose with a yearling attacked a person walking two dogs in Colorado. Learn more about the incident here.

Two black bears climbed a fence to enter a school’s grounds in Calabasas, California, and a commuter caught the whole thing on video.

Joey Danger climbed El Capitan at 7 years old, making him the youngest person to climb this epic rock face in Yosemite National Park.