Fan conventions are a newer type of gathering in which people gather for specific themes and activities related to them. This paper mainly focuses on tourism in the United States of America (USA), its development in its various aspects, and new types of tourism that are seeing great growth in current times. A special emphasis will be put on convention tourism as one of them. Convention tourism implies both business and fan conventions, and over time, fan conventions have reached great popularity because of the development of video games, comics and other modern sources of entertainment. Next, the history of fan conventions is considered. Fan conventions have their roots in the 1930s and to this day are a relatively new term. Initially, these gatherings were very small and had a more general theme. Throughout history, it is possible to see how certain events caused significant shifts in the development of this phenomenon. Fan conventions are gaining the most popularity with the emergence of the new media and therefore attracting and joining people with the same interests. As these media become more popular and diverse, so are fan conventions adapting and becoming more specific and numerous. Fan conventions have many types, which may differ according to the content they offer, the way they are held, or by a combination of more elements at once. Most of the currently popular types are based on the main media trends that have had a significant impact globally over the past 20 years. Science fiction, which has its beginnings earlier than other trends and initiated fan conventions by itself, also belongs here. Fan conventions are open to everyone and have quite a large gender diversity, even though it is often considered to be more oriented toward male audiences. It is possible to conclude that fan conventions are a successful modern type of gathering that is constantly growing in accordance with its circumstances in the media and entertainment.