There's a lot we know about the NCAA Tournament. Then again, there's a lot we don't. Created for ESPN.com Page 2 by InfographicWorld.com, this elaborate illustration goes deep inside March Madness history to visualize sports' biggest tourney.
*This infographic has been updated.
Infographic World is a data visualization company, working with companies to create informative visual stories. To have an infographic created, you can email firstname.lastname@example.org.