You'll enjoy the museums and historic sites in Sao Leopoldo Centro. You might want to make time for a stop at Train Museum or Visconde de Sao Leopoldo History Museum.
When in Cristo Rei, you can plan a visit to Escolar Arnildo Hoppen Museum and Train Museum, some noteworthy sights in the nearby area.
Even though there aren't top sights in Santos Dumont, you can explore the larger area and take in top sights like Igreja Evangelica. Jump on the metro at Rio Sinos Station to see more of the city.
Though Fazenda São Borja might not have many top sights, you can venture to the surrounding area to see attractions like Escolar Arnildo Hoppen Museum and Train Museum.
While there might not be top attractions in Feitoria, you can explore the larger area and discover places like Train Museum and Visconde de Sao Leopoldo History Museum.