 The selection of flowers dates back to the 1950s, while the greenhouse was rebuilt in 1996 and looks as it did when Post was alive.The greenhouse serves as horticulture staff offices, work spaces, and home to Hillwoods famous collection of orchids.Representative of Post's retreat, Camp Topridge in the Adirondack Mountains, the building, which was built ten years after Post's death, serves as a museum programming venue.