Cannonball Trail (self-guided) – This is a good option for the walking tour that will map some stops. There are already markers on the sidewalks and the brochure guides you along to tell you about each location:
https://issuu.com/dia1/docs/visit-22621-cannonball_bro_final
Other self-guided ideas:
https://www.visitnorfolk.com/things-to-do/self-guided-tours/
Other tours:
https://www.visitnorfolk.com/things-to-do/tours/