Complex sentence: They are classed as a Scheduled Ancient Monument and are protected by law, and beside their historical significance, lend their name to an important thouroughfare in the town (Six Hills Way), and are something of a local landmark.
Split into simpler sentences: They are classed as a Scheduled Ancient Monument and are protected by law. Beside their historical significance, they lend their name to an important thouroughfare in the town (Six Hills Way) and are something of a local landmark.