Have you ever been to Grand Rapids, Michigan? It is Michigan's second-largest city. 
No, but I haven't.  Have you been there?
I go fairly often. Grand Rapids, Michigan is right east of Lake Michigan on the Grand River. It is beautiful.
What are some of the sights or places you would recommend I visit when there?
The river it self it a huge attraction. It is the reason that Grand Rapids, Michigan's nickname is "River City"
I love rivers, so that would certainly be a good reason to visit.  Do you know how big is the population?
According to the 2010 census the population of Grand Rapids, Michigan was around 188,000.
I thought it was bigger, what are other important facts about Grand Rapids?
Grand Rapids, Michigan also goes by the nickname "Furniture City" because it is home to five of the largest furniture manufacturers. 
Interesting, didn't know that.  Any particular style of furniture?