Vanalai
Google
Free tour, you only need to sign in to the 'guest list' after entering the building (name, surname and country / city of origin).
In the building there are several rooms with original furniture, some information about the history of Manaus governors, the history of the radio, a balcony with a possibility of rest and a garden.
Sightseeing in the form of a walk, without intensive reading of information - up to 20 minutes.
(Review from November 2022, but reappeared as new after removing some photos)