It's interesting to delve into differing beliefs. An outing to Capela do Pobre Diabo is a good way to deepen your knowledge of one of the local religions and cultures.
When you've spent a bit of time at this Cachoeirinha house of prayer, why not check out Teatro Amazonas, Amazon Arena, and CIGS Zoo? They're not very far from Capela do Pobre Diabo and also a favorite with travelers.