The phrase "interesting rock formations" refers to natural structures or patterns created by rocks that are visually appealing and captivating. Full definition
During low tide, it is possible to get around the southern end to reach another small, sandy beach with interesting rock formations, but beware of hazardous surf. (parksconservancy.org)
The extensive gardens have some very interesting rock formations. (paradizo.com)
The views back towards the beach from the top of the cliff are impressive with interesting rock formations and sea caves. (tripsavvy.com)