There are some museums in Altenburg: 
The Schloss- und Spielkartenmuseum (castle and playing card museum) inside the castle hosts an exhibition about Altenburg as a ducal residence, and a historical playing cards collection.

The Lindenau-Museum (established in 1876) shows Bernhard von Lindenau's art collection including Italian paintings of the 13th–15th centuries, a collection of classical antiquities and cast and modern art.

The Mauritianum (opened in 1908) is Altenburg's museum of natural history with the largest well-known mummified rat king, which was found in 1828 in a miller's fireplace at Buchheim.

The Brauereimuseum inside the Altenburger brewery shows an exhibition about beer and its history with a local focus.
There are some museums in Altenburg: 
The Schloss- und Spielkartenmuseum (castle and playing card museum) inside the castle hosts an exhibition about Altenburg as a ducal residence, and a historical playing cards collection.
The Lindenau-Museum (established in 1876) shows Bernhard von Lindenau's art collection including Italian paintings of the 13th–15th centuries, a collection of classical antiquities and cast and modern art.
The Mauritianum (opened in 1908) is Altenburg's museum of natural history with the largest well-known mummified rat king, which was found in 1828 in a miller's fireplace at Buchheim.
The Brauereimuseum inside the Altenburger brewery shows an exhibition about beer and its history with a local focus.
Altenburg