The train depot by Nakanocho Station is home to cute vintage trains.
Part of the joys of being a train enthusiast in Japan is collecting train stamps. Sounds pretty geeky, but it can get quite addictive as you keep traveling. I bought my train stamp book from Maruzen and have been using it as one of the ways to record my travels.
Isumi Railway is best known for its Moomin Train, fashioned after the beloved Finnish series of the same name. Running along the Bōsō Peninsula, these yellow train cars take its passengers through Chiba's green fields and historic towns, and is especially popular in spring as cherry and rape blossoms (菜の花) frame the landscape.