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 ...

Aerial view of the worlds tallest Christmas tree in Willits/Fort Bragg, California. It's beginning to look a lot like Christmas tree season, but some firs are bigger than others. The honor of the ...

These skyscraping superstars are the stalwart examples of their species Trees have many interesting features and uses, but it's perhaps their height that inspires the most reverie. Humans may have a ...