Shaken by the events in the U.S. Botanic Garden, your guide has decided to stop investigating the phenomenon in D.C.'s parks. But other forces conspire to pull her back in. Join your guide on the final installment of this four-part fictional walk series that takes you from the U.S. Navy Memorial, through the Smithsonian Butterfly Habitat Garden, and then to the National Gallery of Art Sculpture Garden. Many of her questions will be answered, but at what cost?