Definitely belongs among places along the way and worth more than just the cursory glance. Let's just say I have a (cyber) connection to make but will be back this way. Click to view larger image.
Train stations, like rivers or beaches, would make an interesting subcategory, a way to compare subsets of the city or nature. Train stations I have known: Atocha, Candanchu, Gare du Sud, Gare du Nord, Müunchen Bahnhof, Los Angeles, San Diego, Ramses Station (Cairo), Gare du Lyon, Gempf. Even shabby train stations have a charm even the best appointed bus station lacks.