Photo: Bernard Gagnon, CC BY-SA 4.0 via Wikimedia Commons
True to their name, the rocks have remarkable formations. You can climb under them, over them and around them, and they really are interesting. The formation is around 500 m from the carpark, and is wheelchair accessible. Don't let the kids run ahead, as the formation is on the edge of a lichen-covered cliff, which gets steep deceptively quickly.
© OpenStreetMap contributors
You can just see it from the outside, and you certainly won't miss it when you are visiting the fur seals at Admirals Arch. A short walk from the lighthouse you can see the remains of storerooms and a flying fox used to get stores up to the lighthouse - when they were delivered every three months.
Also runs tours, but probably doesn't see as many visitors as Cape Willoughby, due to a more remote location. It is of a different shape and style to the other two.