Photographer Mitch Epstein's years-long project highlights the majesty and vulnerability of old growth forests across the US ...

A decade or so ago, Mohlenbrock, a professor of botany at Southern Illinois University at Carbondale, visited the Ancient Bristlecone Pine Forest, part of California's Inyo National Forest.

Firefighters said they stopped the wildfire's forward spread, but there was still the threat of flareups on Tuesday.

Less than 15 miles from the fire, the Ancient Bristlecone Pine Forest contains trees that are more than 4,000 years old. The Patriarch Tree is the world's largest bristlecone pine tree.

Less than 15 miles from the fire, the Ancient Bristlecone Pine Forest contains trees that are more than 4,000 years old. The Patriarch Tree is the world's largest bristlecone pine tree.

A visit to the ancient bristlecone pine forest in California's White Mountains begins with a dramatic climb from the desert in Owens Valley at 4,000 feet elevation to the Schulman visitor center ...

The Great Basin Bristlecone Pine is another ancient tree, estimated to be 5,071 years old, and has defied odds to remain alive. The Methuselah tree, at least 5,000 years old, has adapted to harsh ...

All around me stood ancient bristlecone pines, their gnarled branches reaching upward as if electrified ... At that point, the oldest known organism was several decades younger (a bristlecone pine in ...

The Silver fire in Inyo and Mono counties continued to burn Monday morning, scorching 1,250 acres and spurring evacuations.