Preakness InfieldFest - Wildest party in sports

The Preakness is known for prime horse racing, but it is also known for having one of the best parties around. InfieldFest is where fans can watch a concert, have a drink, and let loose.

Fans walk through the infield tunnel prior to the 139th running of the Preakness Stakes at Pimlico Race Course on May 17, 2014 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)

Fans drink in the infield prior to the 139th running of the Preakness Stakes at Pimlico Race Course on May 17, 2014 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)

A fan holds an American flag in the infield prior to the 139th running of the Preakness Stakes at Pimlico Race Course on May 17, 2014 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)

A fan holds an American flag as others wait to use portable toilets in the infield prior to the 139th running of the Preakness Stakes at Pimlico Race Course on May 17, 2014 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)

A fan in costume stands in the infield prior to the 139th running of the Preakness Stakes at Pimlico Race Course on May 17, 2014 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)