Casey Webb treks to Salt Lake City, Utah, to pay homage to a pastrami-topped tradition, savor the sweet-and-salty taste of Hawaii and engage in combat with some hot cakes for the P.A.C. Stack Challenge.

Casey Webb pays a visit to Oakland, Calif., for a towering banana split, a hot-off-the-grill molcajete, and spring roll warfare as he faces the 3.5-pound Lumpia Challenge.