BYOB jaunt across Boston Harbor on 31-foot friendship sloop Tupelo Honey offering beautiful skyline views; up to 12 passengers

Guides shepherd kayakers in groups of up to 12 down the scenic, nature-speckled Concord River, with all equipment provided

Four- or five-hour photo-booth rental captures party moments with unlimited prints from inside a booth big enough to fit up to 10 people

Season of half-dozen plays, including Martin Luther King Jr. profile The Mountaintop and goofy, grease-stained Car Talk: The Musical!!!

Guests bob their heads to an eclectic lineup of alt-rock, pop, and hip-hop groups before catching free film screenings and setting up camp

Sock-footed kids explore a clean, climate-controlled arena stocked with inflatables

Grammy-nominated alt-rock band tours in support of its recent album of covers, supported by up-and-coming folk and indie-rock groups

Guides lead half- & full-day trips through Class IV rapids of Penobscot River, including shoreline barbecue lunch

90-minute sunset cruise circles the inner harbor and catches the USS Constitution’s daily cannon fire; full bar onboard

PBS personalities, including Arthur, Clifford the Big Red Dog, and Ruff Ruffman, interact with kids at an ice cream and music festival