In the world, where the possibility to get new information and to go the places where we might have not think before are opened widely, learning new culture is important. If you are interested to do so, you can start your learning by taking a related course to another culture.
If you cannot find such study from the local university, you can also learn it from distance learning or via internet. From this stage, you can know whether you want to learn more or to stop since learning other cultures require strong will.
Literature shows much about a culture. Therefore, reading the literature from the intended culture is a good start to know them better.