15HP electric karts zoom down a 23,000-sq.-ft. indoor track at up to 25 mph; members race at discounted prices

Guides lead small groups through Class III–V rapids on trips down the west branch of the Penobscot River.

Hooves traverse woodland trails peppered with romantic views as guides lead a 60-minute horseback ride

Grammy-winning rockers Evanescence team up with alternative-metal stalwarts Chevelle, Halestorm, Cavo, and New Medicine

Chateau-style, converted carriage house filled with automotive exhibits and tours hosts Tutto Italiano Italian car show on August 5

Instructors help guests ride powerful indoor wind tunnel, safely uplifting bodies for four exhilarating minutes above trampoline floor

Indy-style, slick-track, and stinger go-karts offer thrills for all ages; bumper boating and mini golf

The 2.5-hour guided tasting tours stop at several chocolate shops, bakeries, and sweet spots in the Newbury Street neighborhood

Lesson Academy guides riders through lessons under guidance of 25-year veteran rider and trainer

Wall-to-wall trampolines and foam pits let visitors soar through the air during open jumps and classes that utilize low-impact exercises