Mexico

Mexico is a country in North America.
 * Buster and his father have visited Mexico. Buster keeps a ham sandwich from the trip in his food cabinet.
 * Leah and Thora went on a vacation in Cancun.

Arthur

 * "1001 Dads" (Mentioned)
 * "Staycation"

Postcards from Buster

 * "Lost and Found"
 * "Your Friend, My Friend"