Married Couples Mission Trips: Senior Adults: $500 to $1000: 1 to 2 weeks: Guatemala: March: Orphans and vulnerable children - Browse by Start year : MissionGuide.globalMarried Couples Mission Trips: Senior Adults: $500 to $1000: 1 to 2 weeks: Guatemala: March: Orphans and vulnerable children - Browse by Start year : MissionGuide.global