"If you want to kick your exercise routine into high gear, this women's retreat can help you achieve your goals. Attracting celebrities like Michelle Keegan and Jacqueline Jossa to join their ranks, GI Jane Bootcamp runs a tight militaristic schedule of exercise circuits topped off with an ice bath and daily massage. It offers one- and two-week camps throughout the year in the U.K., but you should also check the dates for its boot camps held abroad in countries like Greece and Thailand." - Travel + Leisure Editors