Woodwork is a specialised skill which is used to build several wooden items ranging from door, windows to other modern and period furniture, and includes other decorative items like statutes and other memorabilia. The more durable the wood, the more worth it has. There are some notable wodworkers in Philadelphia who are craftsmen who give shape to their dream from a pile of scrap lumber. If you browse through their catalogue, you will find thousands of items featuring different segments. With continued use of wood and more amd more people taking interest in the craft, there are classes and workshops organised in different schools in Philadelphia. You can find more details about the classes from their websites.