Southdale Center was the first fully enclosed, climate-controlled shopping mall, opening in Edina, Minnesota, in 1956.
The mall was developed by the Dayton Company and designed by Austrian architect Victor Gruen. Its enclosed layout was intended to create an indoor town center, with shops, public spaces, landscaping, and controlled temperatures in Minnesota's severe winters.
Southdale differed from earlier open-air shopping centers because its stores and walkways were placed inside a single weather-protected complex. The design became a model for suburban malls across North America and later influenced retail development internationally.
Southdale Center is sometimes confused with the Mall of America, which is much larger and opened in Bloomington, Minnesota, in 1992. Southdale's importance is historical: it pioneered the modern enclosed-mall format, not the largest-mall title.