It's interesting to explore differing beliefs. An outing to Church of Sant Felip Neri is an excellent way to get to know one of the local religions.
This house of prayer is often on the itineraries of travelers to Downtown Barcelona. But Church of Sant Felip Neri isn't the only highlight in the area. Sagrada Familia, La Rambla, and Plaça de Catalunya are some other interesting attractions close by.