In coastal Oregon, the state's tallest fir tree is burning. Douglas-firs (Pseudotsuga menziesii) are Oregon's most common trees, but the tree that's ablaze, known as the Doerner Fir, is special.

What are the tallest trees in the world? These 10 skyscraping superstars are some of the stalwart examples of their species.

The sequoia saplings destined for Detroit are clones of two giants known as Stagg — the world's fifth-largest tree — and Waterfall, of the Alder Creek grove, about 150 miles north of Los Angeles.

The sequoia saplings destined for Detroit are clones of two giants known as Stagg — the world’s fifth-largest tree — and Waterfall, of the Alder Creek grove, about 150 miles (240 kilometers ...