This jaunty tower marks the northwest corner of the ancient Roman town fortifications, which stretched for 4km and had at least nine gates and 19 round towers.

Lonely Planet's must-see attractions

Nearby Cologne attractions

1. Roman Arch


This arch outside the Dom is a rare vestige of Cologne's ancient Roman city wall and once formed the northern gateway into the colony.

2. Museum für Angewandte Kunst

0.11 MILES

If Aalto, Eames and Olivetti are music to your ears, you should swing by the Museum of Applied Arts, which displays a prestigious and extensive collection…

3. Kölner Dom

0.15 MILES

Cologne’s geographical and spiritual heart – and its single-biggest tourist draw – is the magnificent Kölner Dom. With its soaring twin spires, this is…

4. Domschatzkammer

0.18 MILES

Reliquaries, robes, sculptures and liturgical objects are handsomely presented in medieval vaulted rooms below the main floor of the Dom. Standouts…

5. Römisch-Germanisches Museum

0.19 MILES

Sculptures and ruins displayed outside the entrance are merely the overture to a full symphony of Roman artefacts found along the Rhine. Highlights…

6. NS-Dokumentationszentrum

0.21 MILES

Cologne's Third Reich history is poignantly and exhaustively documented in the NS Documentation Centre housed in the very building that served as the…

7. Kölnisches Stadtmuseum

0.21 MILES

The Kölnisches Stadtmuseum, in the former medieval armoury, explores all facets of Cologne's history. Although the permanent exhibit remains closed while…

8. Kolumba

0.21 MILES

Art, history, architecture and spirituality form a harmonious tapestry in this spectacular collection of the Archdiocese of Cologne's religious treasures…