Lambeau Field. GreenBay WI
The oldest NFL stadium currently in use is Soldier Field in Chicago.
Wrigley Field is the second oldest Major League baseball park in use today. It opened in 1914. Fenway Park is the oldest opening in 1912. And coming in 3rd is believe it or not Dodger Stadium which opened in 1962.
Lambeau Field
Fenway Park
The oldest stadium still in use is Wrexham Racecouse, 1877.
Cowboy Stadium is located in Arlington, Texas. It was fully built on May 27, 2009 and served to replace the Texas Stadium. The stadium itself seats 85,000 and is the 3rd largest stadium in use by the NFL.
Lambeau field Correction - Soldier field opened in 1924, while Lambeau field was built in 1956. Soldier field has had a few renovations and parts rebuilt, which has caused the government to de-classify it as a landmark, and many people to not consider it as the oldest field anymore. College teams and NFL teams both have played at Fraklin Field, which is still in use by the University of Pennsylvania collegiate teams and was built in 1895.
The oldest Spanish soccer stadium is El Molinon stadium, home of Sporting Gijon. It's been in use since 1908.
There is only one stadium used for both MLB and NFL games and that is Oakland Coliseum where both the Athletics and Raiders play.
Denmark has the second oldest national flag in the world, called the Dannebrog. It has been in use for over 800 years, since the early 14th century.
Turf Moor, the home stadium of Burnley Football Club, was built in 1883. It is one of the oldest football grounds in England that is still in use for professional matches.
Mile High Stadium, originally known as Bears Stadium, was built in 1948 at a cost of approximately $600,000. The stadium was primarily constructed as a home for the Denver Bears minor league baseball team and later became the home of the Denver Broncos in the NFL. Over the years, it underwent several renovations and expansions to accommodate its growing use and popularity.