4. Penn, 1979
In the first year that the NCAA tournament expanded to 40 teams, the first Cinderella showed up at the Big Dance. As the No. 9 seed, the Quakers shocked No. 1 North Carolina, Syracuse and St. John's before getting steamrolled by Magic Johnson and Michigan State in the national semifinals. Penn remains the last Ivy League team to reach the Final Four.
(AP Photo)