Museum of Architecture. It is located next to the Plaza Mayor of the city of Trinidad, in the central province of Sancti Spíritus, where once was the home of the Sánchez Iznaga family, known as the Blue House.

Unique of its kind in the country, it shows the development of the vernacular house and gives the key to the understanding of the urban layout of Trinidad in interrelation with the constructive ways and the economic development linked to the tobacco exploitation and trade first and to the sugar industry later, which gave rise to expressions of life and culture reflected in the city.