After a week and a half of grueling competition, the pool of 64 teams in the NCAA Tournament has been whittled down to just eight teams on the men’s side and 16 on the women’s. Tonight, the first of the men’s “Elite 8” and women’s “Sweet 16” teams will compete for the right to advance. To get a behind-the-scenes peek at the final games, be sure to follow these Instagrammers: sports television channel ESPN (@ESPN), Ohio State Men's Basketball team (@ohiostatehoops), Duke Women's Basketball team (@dukewbb), Notre Dame Women's Basketball player Skylar Diggins (@skydigg4), and Michigan Men's Basketball player Trey Burke (@tr3yburke). You can also browse photos taken at the Georgia Dome, where the men's Final Four will be held, by tapping the blue location text above this image. Photo by @shocker_athletics