One can reach Algeria via bus, train, plane, car, or boat. Although not available in America, countries such as Egypt, Morocco, Saudi Arabia, Tunisia, and many European countries feature direct flights to Algeria. A ferry service connects Marseille, France and Alicante, Spain to Algeria. Additionally, it is possible to enter Algeria from Tunisia by train. It is also possible to enter by road from Libya, Mali, Niger, and Morocco. Algeria has an airline that conducts short internal flights to and from its major cities and popular tourist destinations. It also features a good railway service. It is recommended that tourists stick to the main roads, as terrorism in certain regions - and especially at night - is still an issue.