The Douglas fir is an indelible symbol of the Pacific Northwest. The thick-barked native represents the aesthetics of biologically rich Cascadia and the checkered past of overlogging.

After years of construction, Denver International Airport is getting ready to begin its final phase of the Great Hall ...

Epic adventures are waiting just around the river bend, so here's everything you need to know about Big Bend National Park in ...

Higinio “Quino” Gonzalez bucked the stereotype of the backcountry guide, immersing himself in opera and languages before he ...

Well, in the heart of Andhra Pradesh, India, you can find one. Known as Thimmamma Marrimanu, this remarkable banyan tree has ...

It was planted in 1954, part of a worldwide distribution of the species that was formerly believed to be extinct.

The West Tiger Mountain Natural Resources Conservation Area has been expanded by nearly 100 acres in a swap with King County that will benefit steelhead and preserve a treasured local forest.

Utah lawmakers are considering a bill that could turn Little and Big Cottonwood Canyons into state parks. Alexis Ohanian ...

There's a lot of BIG in New York State, including the biggest tree in the Empire State. Have you seen this gem of the Capital ...