What sets this tour apart from others is you are not going by bus or boat—your self-guided chariot is a motorized Segway. Each tour starts with an easy 15- to 20-minute training session. Tours are 60 or 90 minutes and are offered up to three times daily. It's a carefree way to see downtown St. Petersburg, the park system, and the waterfront while learning about local history. Reservations are...