Like margaritas, sex can be even better when experienced al fresco. "Having sex outside awakens the senses," says sex therapist Sandor Gardos. "Feeling the breeze on your skin, smelling the freshly cut grass – stimuli are very erotic." Plus, the fear of getting caught can add a thrill. To inspire you, we've come up with prime outdoor spots for getting busy, plus advice on the best positions in each.