Take a Florida nature tour, without breaking the bank or a sweat. Boyd Hill Nature Preserve, located in St. Petersburg, offers daily tram tours for just $2. Admission to the park is $3 for adults and $1.50 for children ages 3 - 16. Children under 3 are admitted free. Tours depart daily at 1 p.m. On Saturdays there are two tours, at 10 a.m and 1 p.m.