From the About Prado Museum webpage:
The Museo Nacional del Prado or Prado Museum, with its extensive catalog of artworks is one of the most visited attractions in Madrid.
From the Exhibitions webpage:
Prado Museum is one of the greatest galleries in the world that houses an entire collection of Spanish paintings dated from the 11th-18th centuries, with additional masterpieces by European artists.
Two current exhibitions:
* History of Prado Museum and It's Buildings
* Annibale Carracci / The Frescoes of the Herrera chapel (Until 12 June 2022)