Get high in a tree. Relax and spark up at this cannabis-friendly treehouse BB in the woods outside of Sultan. Mountain Views Tree House Bed and Breakfast Retreat lets guests do that, literally and figuratively. The treehouse getaway offers cannabis-friendly stays on nearly 4 acres northwest of Sultan. The rural Snohomish County property is nestled among towering cedars, sprawling grass and a fenced-in area for alpacas, a cat, dogs, a donkey, a horse, goats and…