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.

The bars and golf courses are just a few things visitors like about Porz. City Center Porz and Bergisches Land Nature Park are worthwhile spots to check out, and you can hop on the metro at Porz Markt U-Bahn or Porz Steinstrasse U-Bahn to get around the larger area.

Mülheim is a destination travellers like for its museums, and you might hop aboard the metro at Am Emberg U-Bahn or Im Weidenbruch U-Bahn to explore sights like Palladium.

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