The document discusses two main categories of tourism: mass tourism and alternative tourism. Mass tourism involves large groups traveling to specialized locations with fixed programs and packages. Alternative tourism is individually planned and focuses on experiencing local cultures first-hand in secluded areas during non-peak times by arranging one's own travel. The document provides examples of different types of tourism like pleasure, business, nature, cultural, social, recreation, active, sports, religious, health, adventure, wilderness, and ecotourism.