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 ...

We may receive a commission on purchases made from links. We sometimes take the construction of treehouses less seriously than other structures, but we shouldn't. It is, after all, a playhouse that ...