To venture into the country's interior, bring cotton clothes that can be layered. At night, desert temperatures can sink to near-freezing. Most mosques in Tunisia do not allow non-Muslims past the courtyard. If you plan on visiting even the exterior courtyard of a mosque, men and women should cover their arms and legs. It's not unusual for a female tourist on her own to attract a crowd of interested suitors.
Harassment is non-physical and usually amounts to repeated offers of marriage.
The best strategy is to ignore would-be Romeos and keep walking. If you need to ask directions or for assistance, approach another woman or a shopkeeper rather than a man on the street. Crime, with the exception of the occasional petty theft at a resort, is almost non-existent. Individual travelers, man or woman, will likely not have any problems. These private taxis travel set routes between towns, leaving from a central lot often located near the bus station.