A "railfan" is an individual who has a strong interest in trains and railways. This hobby often involves observing, photographing, and documenting trains, as well as learning about their history and operations. Railfans may visit train stations, rail yards, and scenic routes to enjoy the experience of watching trains in action. Railfanning can also include collecting memorabilia, such as model trains and vintage railway tickets. Many railfans participate in online communities or attend events like train shows and conventions. The passion for trains can lead to a deeper appreciation of the engineering and history behind the railroad industry.