Wrought iron is a great material for good railings. If you are looking for railings which unique, cheap and durable, wrought iron railings might be for you.
Although wrought iron railings are not very popular, wrought iron furniture are quite common nowadays. You can easily find benches, gates, chairs and much more made by the same material. These furniture could be easily found because they are normally not painted and often comes in a curvy look.