If you're traveling by bus or train, chances are you'll be passing through Friesenplatz. This terminal is a major transportation hub for the area and an attraction in its own right.
This transportation hub in Left of Rhine is well-liked by many travelers, so make sure it features on your to-do list. Don't think that's all there is to do here, though. There are plenty more attractions waiting for you to appreciate after Friesenplatz. Cologne Cathedral, RheinEnergieStadion, and Old Market are close by.