Kristen Goode is the woman behind about.com Brooklyn and these are two of her picks for stuff to do this weekend. Lots more at her site.

“Designing an Enduring Legacy” Architecture Symposium
The Pratt Institute presents architects David Adjaye, Peter Cook, and alumnus Rodney Leon as they share experiences on various design projects that relate to the African American heritage. Free.
Thursday, 5pm to 8pm at the Higgins Hall Auditorium (Pratt Institute), 61 St. James Place

33rd Annual American Crossword Puzzle Tournament
New York Times Crossword Editor Will Shortz hosts this weekend-long event for wordsmiths and crossword fiends.
Friday through Sunday at the Brooklyn Marriott, 333 Adams Street