Calder Gardens is a forthcoming sculpture garden and art museum in the United States dedicated to the work of artist Alexander Calder. It will sit on 1.8 acres (0.73 hectares) of Benjamin Franklin Parkway in Philadelphia and will include indoor and outdoor spaces that feature Calder's work. Plans for Calder Gardens were designed by the firm of Herzog and de Meuron. Funding for the $70 million project was provided by the City of Philadelphia, the Commonwealth of Pennsylvania, and private donors. It is scheduled to open in 2024.