an outdoor sculpture exhibition called "Washed Ashore." 2018 - Movement Enchanted with ideas and themes related to wind and movement. Featured the outdoor sculpture exhibition "Wind, Waves, and Light." 2019 - Toys and Games Celebrated the child-like joy of playing with toys, games, and nature. Featured the outdoor sculpture exhibition "Nature of the Game." 2020 - Wild & Whimsical Displayed garden areas inspired by "wild" nature and "whimsical" stories. Featured two outdoor sculpture exhibitions: "Nature Connects: Art with LEGO Bricks" and "Ribbit the Exhibit." 2021 - Patterns Unfolding Connected geometry, fractals, and patterns to nature as a whole. Featured the outdoor sculpture exhibition "OrigamiintheGarden²." 2022 - Home Focused on the idea of home and what it can mean to different people and creatures. Featured the outdoor sculpture exhibition "The Lewis and Art Exhibition." Facilities Primary facilities at Reiman Gardens include: Conservatory Complex - The entrance to Reiman Gardens, it features a conservatory of tropical plants, staff offices, a gift shop, restroom facilities, and The Garden Room, a popular event space. Christina Reiman Butterfly Wing - A indoor tropical garden is home to up to 800 live butterflies and moths representing up to 80 different species. Reiman Gardens is permitted to display almost 1,000 different butterflies of native and exotic species. The temperature is kept at and 80% humidity at all times. The structure of the Wing resembles a butterfly. The Butterfly Wing is named for Roy Reiman's mother, Christina. Hughes Conservatory - A glass house that features a lush, tropical collection of colorful and rare plants among seasonal, artistic creations that interpret garden themes and intrigue guests. Features palms, cycads, and a tranquil waterfall and pond. The Conservatory is named for Hazel S. and Dwight W. Hughes, ISU alumni who donated $1 million to the Conservatory Complex construction. Marge Hunziker House - Named in honor of Marge Hunziker, the building dedication was a gift from her husband Erb and their six sons. This prairie-style building was designed by Architects Smith Metzger to represent a home and serve as a backdrop for the Home Demonstration Gardens (originally called the Town and Country Gardens) surrounding it. Inside the building is a large workroom that serves as a program workspace and meeting facility as well as restrooms. Mahlstede Horticulture Learning Center - Named for ISU horticultural professor John P. Mahlstede, this building houses restrooms, a classroom, a conference room, and The Speer Room,