Classic rock by Queen, the Rolling Stones, Led Zeppelin, and more shakes up Symphony Hall at Rock the Pops With Alfie Boe. The English musical theater star takes the stage with the Boston Pops, backed by local college students and members of the Tanglewood Festival Chorus and the Boston Symphony Children’s Choir. 8 p.m. both nights. Tickets from $30. bso.org
Look to the sky above Franklin Park during the annual Kite & Bike Festival, then cruise around the park on two wheels. Both headliners will be available — kites to buy, and kids’ bikes to “rent” (free) from Boston Bikes. Picnickers are welcome, and food trucks will be on site. 11 a.m. to 4 p.m. Free. franklinparkcoalition.org
You know about the Mayflower, but did you know that three pirate ships visited Plymouth Colony in 1646? The fourth annual Pirates Ashore at the Mayflower Society House and around Plymouth features reenactors portraying colonists and privateers, cannon fire, a pirate encampment, a sword fight, and even a murder trial. 9:45 a.m. to 4 p.m. Free. themayflowersociety.org
No Place Like Home
Visiting the magnificent Crane Estate in Ipswich normally requires paying a fee or scoring an invitation to a swanky wedding. At the Trustees of Reservations’ annual Home Sweet Home event, admission to the Crane Estate and nine other sites across Massachusetts is free. This year’s focus is the formal gardens and dramatic landscapes on and around the historic properties. 10 a.m. to 4 p.m. Free. thetrustees.org
Tales and Scales
Head to the Museum of Science to check out the descendants of reptiles that roamed with the dinosaurs. Crocs: Ancient Predators in a Modern World showcases the animals’ natural habitats. Watch live hatchlings swim and see various species up-close. Or keep your distance and study a 17-foot-long life-size model. Through September 3. Adults $25, children $20. mos.orgShare your event news. Send information on Boston-area happenings at least three weeks in advance to firstname.lastname@example.org. Follow us on Twitter@BostonGlobeMag.