‘Class Act’ — which comes to OBERON on Father’s Day, June 15, at 4 pm — is a tap dance ode to the 1920s and ’30s inspired by Vaudeville, crime noir, Fred Astaire, and The Great Gatsby – We have 2 tickets to give away!! Send an email to giveaways@eventsinsider.com for a chance to win! Oberon Theatre Cambridge, MA, Fri 6/6–Sun 6/15.more

We have 2 tickets to give away for this Saturday’s show! Send an email to giveaways@eventsinsider.com for a chance to win! The Regent Theatre Arlington, MA, Sat 6/7.more

Leading up to the election of the Officers and Sergeants of the Ancient and Honorable Artillery Company, a parade takes place. Don’t let the words ‘ancient’ and ‘honorable’ mislead you, this is a truly moving and patriotic event, if you’re into that. Boston Common Boston, MA, Mon 6/2.more

I have only one rule for ice cream: The more, the better. This all-you can-eat fest offers ice cream, frozen yogurt, and sorbet. It’s the biggest event of its type in the world. 12-8pm daily. Boston City Hall Plaza, One City Hall Square Boston, MA, Tue 6/3–Thu 6/5.more

This annual festival offers the best in Japanese art, culture, and food, right in Central Square as part of the Cambridge Arts River Festival. 12pm-4pm. Central Square Cambridge, MA, Sat 6/7.more

The Corvette is THE American sports car. No wonder it has its own day at Larz Anderson Auto Museum, which is a world class venue. You know this event is going to be good. Register and bring your own ‘vette to the party! 9am-3pm. Larz Anderson Auto Museum Brookline, MA, Sun 6/8.more

Consider this the Olympics of cultural festivals. There’s Greek food, dancing, and live music. and the mix is completed by Greek style kids games and activities. St. Athanasius the Great Greek Orthodox Church Arlington, MA, Fri 6/6–Sun 6/8.more

Step into the 1860’s and watch a Civil War- era baseball game with original rules and uniforms. That is to say, baseball uniforms, not Civil War uniforms — although that WOULD be awesome. Fort Warren Boston, MA, Sun 6/8.more

Chinatown gets even more exciting with this day full of folk dance, art, food, martial arts, and even a karaoke competition. Boston, MA, Sat 6/7.more

Cambridge sure knows how to throw a party! More than 33 art performances, paired with interactive activities and more than 150 food vendors. Cambridge, MA, Sat 6/7.more

I’ve seen this! Children race awesome gravity-powered homemade cars. This is the only one I know of near Boston. BTW, winners go to the International Race in Akron, Ohio. Eastern Avenue Arlington, MA, Sat 6/7.more

Welcome summer, engage in athletic competitions and races, play games with kids and enjoy music. Winchester Town Day closes with an amazing fireworks show. Downtown Winchester Winchester, MA, Sat 6/7.more

The Muppets would love to have it this good. Spend an evening enjoying courtyard performances while supporting this 40 year old theater. 6:30-9:30pm. George H. Wightman Mansion Brookline, MA, Mon 6/2.more

Are you comfortable swimming for 40 minutes straight? The Charles River Swimming Club holds their annual 1-mile swim this weekend. Experienced swimmers only. 6:45am. Arthur Fiedler Dock Boston, MA, Sat 6/7.more

8pm. Boston Public Library Boston, MA, Fri 6/6.more

This ‘arts festival’ is basically a marketplace. But with 75 artists showing off their work, you’re bound to go home inspired and maybe with some neat art too. 10am-6pm. Devotion School Brookline, MA, Sat 6/7.more

Lansdowne Street becomes one big safari, offering up activities, parties, and all sorts of food, including lots and lots of hot dogs. 12pm-4pm. Landsdowne St Boston, MA, Sat 6/7.more

Crawfish are like tiny lobsters, so you can eat a bunch of them and join the battle against cancer. You’ll find live entertainment as well. 2pm-7pm. Pier 4 Charlestown Navy Yard Boston, MA, Sat 6/7.more

I volunteered for this once and it was fun. This is a great sports program that allows everyone to get involved. Various locations (Boston University, Harvard, John A Ryan Arena) Cambridge, MA, Fri 6/6–Sun 6/8.more

Boston Portuguese Festival is a celebration of all things Portuguese, of course. The kick-off event is basically a reception that includes a flag raising ceremony. There will be music and food. Boston City Hall Plaza, One City Hall Square Boston, MA, Sun 6/8.more

The esplanade was made for walking, and on Sunday lots of people will be doing just that to raise money for Boston Children’s Hospital. DCR Hatch Shell Boston, MA, Sun 6/8.more

Head to the Greenway Sunday to celebrate diversity. You’ll find live bands, food from around the world, and even a scavenger hunt! Rose Kennedy Greenway Boston, MA, Sun 6/8.more

Learn about several fascinating LGBT figures from Boston’s past on this walk that pays homage to some amazing individuals. Cambridge, MA, Sun 6/8.more

Choose between 4 different bike rides, and then stay for the ride after-party. It’s fun but to enter you need to fundraise 150 green bills. Park at Boylston & Lamartine Streets Boston, MA, Sun 6/8.more

Whether you’re out of touch or in love with the Somerville nighlife and dining scene, you can experience it all in one place. 5:30-7:30pm. Davis Square Somerville, MA, Wed 6/4.more

This fundraiser really hits it out of the park by giving you a chance to literally hit one out of the park. Live your Fenway fantasy while fighting cancer. 9-5pm. Fenway Park Boston, MA, Sat 6/7.more

No one likes weeding a garden. Could you imagine weeding the Blue Hills?? If you pitch in, you’re promised a number of cool rewards like music, face painting, and a scavenger hunt! Ponkapoag AMC Cabins Milton, MA, Sun 6/8.more

Ok, so maybe high school French classes didn’t quite prepare you for this comedienne – but laughter is still a universal language, promising bon temps for all. Oberon Theatre Cambridge, MA, Wed 6/4.more

Gideon’s Knot is essentially the most intense parent-teacher conference ever. Luckily, none of us is the student being discussed. Stanford Calderwood Pavilion at the Boston Center for the Arts Boston, MA, Thu 6/5–Sun 6/22.more

There are plenty of performances, panel discussions, parties, and things that don’t begin with ‘p’ at this festival, like lots of female playwrights ;). BCA Plaza Theatre Boston, MA, Fri 6/6–Sun 6/8.more