The Serralves Foundation in Porto, Portugal, is a cultural center built in 1999 by the architect Álvaro Siza Vieira. Located in the Serralves Park, which covers more than 18 hectares, it has art exhibitions, concerts, and other cultural events, highlighting its collection of modern and contemporary art with more than 4,000 pieces, including works by Francis Bacon, Robert Rauschenberg, and Andy Warhol, as well as a library with a wide collection of books on modern and contemporary art.