The Casa Allen e Casa das Artes (Allen House and House of Arts) is a public monument since 2012. It is a project designed by the architect Eduardo Souto Moura.
The building of the House of Arts consists of a foyer/exhibition hall with a room dedicated to cinema, an auditorium for concerts and conferences and a showroom.
You can take a guided tour to the house and the garden. There is also a library with over 10,000 bibliographic records.