America's coolest indoor botanical gardens and green spaces

Phipps Conservatory | Pittsburgh, PA: Opened in 1893, this Victorian-era conservatory features 14 distinct rooms showcasing horticulture from around the world. Highlights include the Palm Court with glass installations by Dale Chihuly and the Butterfly Forest in the spring.

Conservatory of Flowers | San Francisco, CA: Located in Golden Gate Park, this conservatory, opened in 1879, is the oldest public wood-and-glass conservatory in North America. It features more than 2,000 species of plants and flowers.

Conservatory at the U.S. Botanical Garden | Washington, D.C.: Founded in 1850, this conservatory features two courtyard gardens and 10 garden rooms under glass. Visitors can explore exhibits ranging from tropical forests to Hawaiian flora and a children’s garden.

Garfield Park Conservatory | Chicago, IL: Offering a taste of the tropics under glass, this conservatory in Chicago features thousands of plant species across eight indoor display gardens.

Climatron at the Missouri Botanical Garden | St. Louis, MO: Opened in 1960, the Climatron is the world’s first air-conditioned greenhouse, with a bold, modern design. It houses over 2,800 types of plants, waterfalls, a viewing bridge, and a river aquarium with exotic fish.

Franklin Park Conservatory | Columbus, OH: Built in 1895, this conservatory features the Victorian-style John F. Wolfe Palm House. It offers year-round programming, including the Blooms & Butterflies showcase and various art and culinary events.

Volunteer Park Conservatory | Seattle, WA: Dating back to 1921, this conservatory in Volunteer Park features five houses with distinct offerings, including a jungle, desert, and cactus garden.