PICK OF THE DAY

Making a splash

Olympic divers have nothing on these folks who drop 80 feet into Boston Harbor off a custom-built platform on the cantilever roof of the Institute of Contemporary Art. This is one stop on the Red Bull Cliff Diving World Series starring 11 international athletes competing for the title. Judges include Olympic gold medalist Greg Louganis. Pictured: Anatoliy Shabotenko of the Ukraine in Portugal. Aug. 25 from 4-7 p.m., rain or shine. Free. Institute of Contemporary Art/Boston (100 Northern Ave.) and along Fan Pier, Boston. 617-478-3100. www.icaboston.org

THURSDAY

Trumpeter’s tapes There was a public and private Louis Armstrong, and the jazz trumpeter and singer taped lots of after-hours chats with his wife, buddies, and colleagues that reveal the latter. The one-man play “Satchmo at the Waldorf” by Terry Teachout stars Obie Award-winner John Douglas Thompson who plays Armstrong and his manager, Joe Glaser. 7:30 p.m. (through Sept. 16). $15-$95. Shakespeare & Company’s Tina Packer Playhouse, 70 Kemble St., Lenox. 413-637-3353. www.shakespeare.org

Celluloid or digital Keanu Reeves interviewed David Lynch, Steven Soderbergh, Martin Scorsese, and other cinema greats for Christopher Kenneally’s 2012 “Side by Side.” The documentary compares traditional and digital film. (See review on next page.) 4:45 p.m. (through Aug. 26). $11, $9 students and seniors, matinee discounts apply. Museum of Fine Arts, 465 Huntington Ave., Boston. 800-440-6975. www.mfa.org/film

Postal podiums Just when you think there’s nothing more to learn about the Olympics, here comes the Spellman Museum of Stamps & Postal History with the 411 about how countries commemorate the Games on postage. Thursday hours are noon-5 p.m. (through Sept. 30). $8, $5 students and seniors, $3 ages 5-16. The Spellman Museum of Stamps & Postal History at Regis College, 235 Wellesley St., Weston. 781-768-8367. www.spellman.org

Happy trails Brothers Edward and Lincoln Filene opened William Filene’s Sons Company in 1870 and the Automatic Bargain Basement in 1909. Some of the celebs who visited were Christian Dior, Pierre Cardin, Zsa Zsa Gabor, Gloria Swanson, and Gene Autry. Michael Lisicky will talk about his book “Filene’s: Boston’s Great Specialty Store.” 6 p.m. Free. Boston Public Library Orientation Room, 700 Boylston St., Boston.
617-536-5400. www.bpl.org

FRIDAY

North by North End The weekend of the last August Sunday is reserved for the annual Saint Anthony’s Feast, which was started in 1919 by Italian immigrants from Montefalcione in Avellino. At the 7 p.m. opening ceremonies there’s a blessing of the Saint Anthony statue and a short street procession followed by a weekend of parades, cooking demos, music, and lots of food. Aug. 24 at 7 p.m. (through Aug. 26). Free. North End, Boston. 617-723-8669. www.stanthonysfeast.com

SATURDAY

Storied pasts About 40 boats are expected at the Antique & Classic Boat Festival. Some boat owners invite attendees aboard to hear their stories. Aug. 25 from
11 a.m.-5 p.m. (Aug. 26 from 10 a.m.-3 p.m.). $5, free under 12. Brewer Hawthorne Cove Marina, Turner St., Salem. 617-717-6443. www.boatfestival.org