Quick, how many spiral staircases should a treehouse have? If you answered, “At least two,” our #7 home from the holidays is for you. Living trees grow right through the interior of this handcrafted retreat near Glacier National Park. The property also features some great sled runs (like this place needed to be more fun). Ask your Superhost, Kati, where to spot elk, moose, and bighorn sheep. Link in bio. : Kati O'Toole