The biggest active stadiums in the world are:
Football: Rungrado 1st of May Stadium, Pyongyang, North Korea (150,000 people)
American Football: Michigan Stadium, Ann Arbor, United Stated (109,901 people)
Cricket: Melbourne Cricket Ground, Melbourne, Australia (100,024 people)
Rugby: First National Bank Stadium, Johannesburg, South Africa (94,736 people)
Tennis: Arthur Ashe Stadium, New York, United States (23,200 people)
The most expensive stadium is the MetLife Stadium in New Jersey: it costed 1,6 billion dollars and it took 3 years to build it.
The Levi’s Stadium in Santa Clara, California, is the first one to introduce an App to order food and drinks from your seat.
The Moses Mabhida Stadium has a sky car that brings you 106m-high and with 360º views of Durban, South Africa.
The Marina Bay Stadium in Singapore is the first floating stadium in the world.
The Allianz Arena in Munich costed 340m euros, the construction costs were equally shared by Bayern Munich and 1860 Munich
When Bayern Munich plays it becomes red
Blue for the 1860 Munich
White for the national team
Rio de Janeiro has the first football pitch powered by kinetic energy (2014)
The World Games Stadium in Taiwan is covered with 14000 m² of solar panels that create enough energy to power 80% of the neighborhood around
World Stadiums; The Stadium Guide; Time; Total pro Sports; The Guardian; www.oddee.com