Hello Rosa. I do not fully understand your question of engineering school vs. liberal arts school. In general, having 2 degrees where one in engineering and one in art-history would make you a better rounded person. I only have one engineering degree. I wish I took the time in college to take a variety of courses. However, my financial situation at the time limited my options.
Since you are in Marietta, GA, I assume you looked into Kennesaw State University. KSU has College of Engineering & College of Humanities. If you have the interests and willing to take the classes, get one degree from College of Engineering and one degree from College of Humanities.