Though Humboldt - Gremberg may not have many top sights, you can venture to the surrounding area to see attractions like LANXESS Arena and Rheinau Harbour.

Appreciated for its bars and festivals, you might consider exploring Kalk. Check out the variety of things to see and do like Bergisches Land Nature Park, and jump on the metro at Kalk Kapelle U-Bahn or Kalk Post U-Bahn to get around the city.

When in Poll and the surrounding area, you'll want to check out sights like Rheinau Harbour or LANXESS Arena and hop on the metro to see more of the city at Poll Salmstrasse U-Bahn or Baumschulenweg U-Bahn.

Museums, shopping and river views highlight some notable features of Deutz. Make a stop by Cologne Triangle or LANXESS Arena while you're visiting, and jump aboard the metro at Deutzer Freiheit U-Bahn or Deutz Koelnarena U-Bahn to get around town.

Known for its stunning cathedral and popular shops, there's plenty to explore in Innenstadt. Check out top attractions like Cologne Cathedral and Old Market, and jump on the metro at Heumarkt U-Bahn or Appellhofplatz Breite Strasse U-Bahn to see more of the city.

When in Südstadt and the surrounding area, you'll want to check out sights like Cologne Cathedral or Rheinau Harbour and hop on the metro to see more of the city at Chlodwigplatz U-Bahn or Ubierring U-Bahn.