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- go to a museum or theme park with a great user experience (Disney World France!): ICA? http://www.icaboston.org/
- go out to lunch
- ferry to George's Island, with picnic: http://www.yelp.com/biz/boston-harbor-islands-ferry-boston
- Aquarium: http://www.neaq.org/
- cruise in Boston Harbor
- duck boat tour: http://www.bostonducktours.com/
- BBQ at the beach
- sailing lessons on the Charles: http://www.community-boating.org/
- rent kayaks: http://www.paddleboston.com/boston/rates.php
- Spott Pond with kayaks: http://www.spotpondboating.com/
- Roller Derby: http://www.yelp.com/biz/boston-derby-dames-cambridge
- baseball game
- tours of MIT (like hacker tours)
- scavenger hunts around Boston (City Adventure): http://www.citysolveurbanrace.com/ or http://watsonadventures.com/boston.html
- Segway tours: http://www.bostongliders.com/
- bowling: http://www.yelp.com/biz/saccos-bowl-haven-somerville
- behind-the-scenes tour of Fenway Park: http://www.yelp.com/biz/fenway-park-tours-boston
- "" of symphony hall: http://www.bso.org/bso/mods/toc_01_gen_noSubCat.jsp?id=bcat10930012
- """ under Old North
- Formaggio Kitchen cheese cave tour
- Taza Chocolate tour: http://www.yelp.com/biz/taza-chocolate-somerville
- chocolate buffet: http://boston.langhamhotels.com/restaurants/chocolate_bar.htm
- high tea at a hotel (properly called low tea or afternoon tea?)): http://www.yelp.com/biz/rowes-wharf-sea-grille-boston or http://www.roweswharfseagrille.com/seagrilltea.html or http://www.yelp.com/biz/swans-cafe-boston
- group hot tub: http://www.inmanoasis.com/
- massage, such as: http://www.inmanoasis.com/
- cooking class: Cambridge Culinary: http://www.cambridgeculinary.com/
- history tour of a Boston neighborhood, such as: http://www.oldbostontours.com/old_boston_tours_secret_tour.html
- food tour of a Boston neighborhood, such as the North End, see: http://www.bostonfoodtours.com/
- the Hahvahd Tour (funny tour of Harvard): http://www.yelp.com/biz/the-hahvahd-tour-cambridge