Instructors lead groups through various standup-paddleboard exercises, including plyometrics and interval training, that vary with the tide

Guests of all ages create their own rhinestone-studded T-shirt under the guidance of skilled designers

Stained glass artwork or fused glass jewelry, dishes, or wall sculptures made over the course of five classes

Industrial rockers behind hit "Hey Man Nice Shot" and the hard rockers behind “Shimmer” grind out heavy-hitting sets

Dazzling show transforms the opulent theater into a spooky wonderland of coiling snake people, singing spiders, and gravity-defying acrobats

French impressionists and turn-of-the-century American painters highlight an extensive permanent art collection

Industrial warehouse–themed laser-tag arena; rainbow-colored inflatables with slides; party for 12 with games and pizza

All-day access to outdoor paintball fields with inflatable bunkers and various props

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

Indoor skate- and snowboarding park with foam pit, trampoline, and snowboarding runs coated with a soft synthetic "snow"