Odysseum

A former adventure and science museum in Cologne-Kalk – closed in 2025 after 16 years. No successor is currently operating.

Permanently closed Indoor

The Odysseum in Cologne-Kalk was an adventure and science museum that operated from 2009 to 2025. Across some 5,500 m² it made science tangible for a broad audience through numerous hands-on stations.

Source: Wikipedia · retrieved 2026-06-23

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At a glance

Opened: 2009 on the site of the former Kalk chemical works
Closed: 2025 after 16 years
Area: about 5,500 m² of exhibition space
Status: currently not operating; the building is to be used as a comprehensive school

Note

The Odysseum is permanently closed and can no longer be visited. A successor planned as the "Exploradom" in Cologne-Ehrenfeld was not realised in 2026. We keep this entry for completeness – for current family outings, see the other categories in this guide.