Key West Butterfly & Nature Conservatory -  The Key West Butterfly & Nature Conservatory has been voted by The People’s Choice Awards the #1 Attraction in Key West for the past four years in a row. It is home to hundreds of butterflies and exotic colorful birds from around the world. The Conservatory is truly a magical experience filled with lush tropical vegetation and cascading waterfalls, all under a climate-controlled, glass-enclosed habitat.