She says amenities like steam showers and outdoor hot tubs made each treehouse modern and cozy. Recently, I've stayed at four treehouse resorts in four different states. The Mohicans Treehouse Resort in Glenmont, OhioEl Castillo at The Mohicans Treehouse Resort in Glenmont, Ohio. After an evening of wine and movies, a hot steamy outdoor shower while hearing the crickets chirping felt fantastic. Hidden Pond Resort & Tree Spa in Kennebunkport, MaineHidden Pond Resort & Tree Spa in Kennebunkport, Maine.

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