Built in 1915 in the city of Rafaela, Argentina, and demolished in 1956 –
The owner of the house, Pablo Travaini, was an Italian immigrant to Argentina who ran a brickworks. He apparently suffered from asthma, and believed that the air would circulate better in a house that was round. This photo shows Travaini and his family on the day the house was inaugurated.
round houses 
It is true that round buildings have better circulation of air.