Barbara Butler has spent nearly four decades building tree houses all across the country. But when the Hayward-based timber expert spoke to SFGATE on Tuesday, she started the call with bewilderment.

KENTUCKY, USA — Look up. Up the cliffs of the Red River Gorge in Kentucky, hidden by trees and bolted in the limestone are houses that are like something from a movie. Some have multi levels, some are ...

OWOSSO, MI – This massive weeping willow is the centerpiece of a Mid-Michigan backyard – and the main reason the owner bought the house. Kathy Briggerman bought her Owosso home 10 years ago. “I’m a ...

A hundred years ago, Maryland's first state forester challenged residents to find the state's biggest tree. Now the contest is back. Scott Detrow speaks with Joli McCathran of the Big Tree Program.

Around 20 arborists and big-tree-enthusiasts met Friday morning in the historic Senate Chamber at the Old Capitol Museum for a seminar given by Mark Rouw, a longtime volunteer for the Iowa Department ...