After spending some time immersed in the Prado museum, you can think of dropping by the botanical gardens just close to it. A place where you can take in some quiet or read your favourite book. There is a gallery here which changing exhibitions and it features the work of contemporary artists.
Cheap and rejuvenating! That's what the Royal Botanical Gardens is all about. You can explore the wide variety of plants here or simply while away time relaxing under the shade of the numerous trees here.