This document contains summaries of several case studies for digital marketing campaigns to promote travel and tourism. The first case study describes a social media campaign that influenced over 35% of total sales for the world's oldest travel company. The second case study was an adventure contest facilitated through digital channels only that engaged over 10,000 online entries. The third case study describes efforts to digitally transform business for the world's largest film city through data analytics, mobile apps, and wearable technology.