4. United States: SoFi Stadium, Inglewood, costing $5.5 billion
The Los Angeles Rams and Los Angeles Chargers are now playing in SoFi Stadium, a sports and entertainment venue.
The stadium, which is located Inglewood, California, has 70,000 seats. It has a sliding glass door and a retractable roof that make it possible to experience the outside. A 6,000-seat performing arts facility, which will be utilized for concerts and other events, is also located under the same roof canopy.