The Gothic cathedral on the Rhine, begun in 1248 and only finished in 1880, with towers of just over 157 metres. It has been a World Heritage Site since 1996. Since July 2026 a visit costs admission, while services and prayer stay free. If you like, climb the 533 steps up the tower.
The railway bridge from the cathedral and the main station to Deutz, opened in 1911. You walk across beside the tracks, past thousands of love locks, and from Deutz you get the best view of the cathedral.
Crane Houses at the Rheinauhafen
Outdoors
Three buildings of just over 60 metres at the Rheinauhafen, offices and flats shaped like the old harbour cranes, finished between 2008 and 2010. From here you can walk along the water to the Chocolate Museum.
Groß St. Martin and the Fischmarkt
Outdoors
The Romanesque church of Groß St. Martin, built from about 1150, with its crossing tower above the narrow gabled houses of the Fischmarkt. In front lies the Old Town's riverbank, behind it the lanes with the brewery pubs.
The art museum between the cathedral and the Rhine, with the largest Pop Art collection outside the United States and one of the largest Picasso collections in the world.