On the Land of Israel and the massive size of its fruit - peaches, grapes, etc. Also the way the sins of the area's residents led to much smaller fruit the following year. Plus, the comparison of the Land of Israel to a deer. Also, the story of when R. Zeira went to the Land of Israel, and could not find a ferry, and how he managed to cross the river anyway. Plus, dirt on the grave. Also, why the Land of Israel and its beauty is the end and cap to Ketubot.