Kunstsammlung NRW has two buildings, K20 at Altstadt and K21 in Carlstadt. K21 houses a modern art collection after 1960s, mainly from local artists.
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The residences at Bilker Straße 7 and 9 both have rich history (including ownership by Prince von Sayn-Wittgenstein, which gave them the name), and are owned by the municipality. They were reconstructed in the 1970s with their historic façades preserved, but the interior was redeveloped to house cultural institutions. Today it is the home to the Marionetten-Theater, a chamber music hall and the Institut Francais
Palais Spee
The municipal museum features collections of artifacts, art and photographs related to the history of the city. It is located in the reconstructed baroque Palais Spee (as well as a postmodern west wing added in the 1970s), which features an extensive garden park with a pond formed from the Südliche Düssel. Even if you pass on the museum's collections, the park is worth a visit.
The Carlsplatz is the centre of Carlstadt and houses the city's only permanent weekday market, featuring savory food, sweets, flowers as well as popular artworks
church of St.Maximillian
The late baroque church was built in the mid-17th century for the Franciscan convent and, after its dissolution in 1804, was renamed St. Maximillian as a nod towards the then-Elector to protect it from destruction. The church is renowned for its organ music and choir.
Hetjens Museum/Deutsches Keramikmuseum