Treetop living is not just for kids. These architect-designed, "nest-like" dwellings – created in forests all over the world – are the ultimate sky-high retreats from urban living.

NEPHI — Tucked in the heart of Juab County is a tree house that is bringing visitors from all around the world — and, perhaps, the galaxy. Former Hubble Space Telescope subcontractor John Osburn built ...

An epic treehouse that has stood in Sherman Oaks for 24 years now teeters on the brink of destruction after the city of L.A. declared the whimsical creation a crime. "The Simpsons" producer Rick ...

In this third part of the tree house building series, our Cambodian team continues their jungle project by adding a sturdy ladder and walls. These new additions make the tree house more comfortable, ...