Requirement for one who becomes eligible for the Mitzvah after the first day of the holiday: Chagigah 2a
One is only required in the Burnt Offering if he is eligible to enter the Outer Room of the Temple: Chagigah 4b
Minimum/Maximum "Amount" of visitation required: Chagigah 7a
One who ascends to the Temple may Fix his Shoes on the Intermediate Days of the Holiday: Pesachim 55b
Showing the gold tables [which were bought with Dedicated Funds] to those who ascended for the holiday, to show that there was no cheating in use of their Offerings: Pesachim 57a
Whether a father must use his minimal funds for redeeming his first-born son, or ascension to Israel, where he cannot afford both: Kiddushin 29b