Introduced in 1984, the SkyCam has become a mainstay in NFL football games. But have you ever wondered how they operate it? 

Jeff Burton takes race fans through NASCAR's new Optical Scanning System known as 'Hawkeye Inspection' which uses high-definition projectors and cameras to create 3-D images of each race car 

Ever wonder what the difference is between a yellow card and red card? Former Premier League referee Mark Clattenburg explains. 

Have you ever wondered what is considered a dive in soccer? Former Premier League referee Mark Clattenburg explains. 

Throughout the 2018 Tour de France, cyclists will be presented with a multitude of jersey colors. Jens Voigt explains why and what each one means. 

Patriots owner Robert Kraft visited Russia in 2005 and met Vladimir Putin, but left the country without his Super Bowl ring. 

Have you ever wondered how many miles the Sunday Night Football Bus travels? 

Tony Dungy examines why there are so few left-handed quarterbacks in the NFL. Some of the reasons may surprise you. 

Have you ever wondered why the crest and nickname for Watford FC are not the same? Find out the interesting story behind it here. 

Ever wonder why NASCAR race cars don't have any doors? Here's a look at how the cars have changed throughout the years. 

Learn more about football's deep history on Thanksgiving in the latest installment of Ever Wonder. 

Ever wonder how horses travel to their races around the world? Here's an in-depth look at how it gets done.