Hyperion, certified by Guinness World Records as the world's tallest living tree, is officially off-limits to visitors. California's Redwood National Park issued a statement last week that anyone who ...

The world’s tallest Douglas fir is damaged but alive after burning for nearly a week in Oregon. On August 21, arborists climbed the famous 327-foot-tall tree known as the Doerner Fir and used a hose ...

The world’s largest tree by volume stands in a fenced clearing in Sequoia National Park, California, where the air is thinner and cooler than the valley below. Visitors walk a paved trail and arrive ...