If museums are on your list of things to see in Benguela, then you might want to head to Our Lady of Fatima Cathedral. If you want to experience more of the culture Benguela has to offer, head to Benguela General Hospital and Palacio das Bolas.
Seeing the sights doesn't have to break the bank. For some things to do in Benguela, try a visit to attractions such as Palacio das Bolas during your trip.