MetLife Stadium, East Rutherford, N.J.

The stadium features a Sony-centric high-definition broadcast control room and more than 2,200 HD displays, ranging in size from 32- to 65-inches, and uses XDCAM HD optical camcorders as “live cameras” for home games, recording crowd shots, and player and coach interviews. Photo credit: Babylife

Cisco’s StadiumVision technology delivers HD video and fan information to 1,100 displays, and enables 67 luxury suites to control video and order from concession stands through IP phones. Photo credit: John Dalton

The largest domed stadium in the world (shown here in configuration for a basketball game) is also home to one of the largest HD video screens, which hangs from 20-yard line to 20-yard line.Photo credit: Chris McClave

An on-site wastewater treatment facility treats the stadium’s sanitary drainage, such as wastewater generated from hand-washing, laundry and bathing, while 2,800 crystalline photovoltaic panels provide 30 percent of the power to the Patriot Place shopping arena next door.

An antenna system within the stadium—110 antennas in all—covers the 1.7 million square-foot space with WiFi available to all spectators. Oh, and the field can be rolled in and out of the stadium. Photo credit: Bernard Gagnon

Its 50 feet by 140 feet scoreboard is one of the largest in professional sports, and the stadium also uses IBM’s Intelligent Operations Center (IOC) to track weather alerts, real-time security and traffic flow into the stadium.

Cisco’s Connected Sports Solutions outfitted the stadium with a high-density WiFi network, and provided customized applications to create an immersive and interactive game-day environment.Photo credit: Elemaki

Popularly known as the Bird’s Nest, this stunning stadium, a symbol of the 2008 Summer Olympics, uses a 24-hour-per-day rainwater collector, which purifies and distributes water throughout and around the stadium.Photo credit: Peter23

Siemens outfitted the stadium to be the first with smart tickets, which double as an electronic purse for purchasing food, beverages and other items. The exterior is made up of perforated foil panels, each of which can be lit from the inside, to stunning effect. Photo credit: Joachim Schneider

Inside the stadium, there are 6,000 network ports installed and 745 miles of cabling. WiFi communication is provided by 150 hotspots, and security is controlled by 450 CCTV cameras.