by Carly Ledbetter

Treehouses used to be total kid territory, but now adults are taking them over in the coolest housing trend around.

The best example we've seen of these "adult" treehouse apartments is in Turin, Italy, where one apartment building stands out like a green thumb. Designed by architect Luciano Pia, the apartment building is called 25 Verde (which translates to "25 Green"). Standing five stories high with 63 rooms, the building lives up to its moniker and looks like a giant, beautiful forest.

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Source: http://www.huffingtonpost.com/