Buckys biggest convenience store SnottNews – Buc-ee’s Announces World’s Largest Convenience Store, Purchases Entire Oklahoma Panhandle for “Car Wash Clearance” Buc-ee’s has officially announced plans to open the largest convenience store in human history after confirming it has purchased the entire Oklahoma Panhandle to “finally have enough room.” According to Buc-ee’s executives, the decision came after engineers realized the car wash alone required three counties, two weather systems, and a ho