Shrubs, Back Yard, Exterior, Stone Siding Material, and House Building Type The Casa Cuatro sits above a 180-foot cliff that overlooks the Pacific Ocean. The locally quarried stone makes the house blend in with the landscape and acts as a thermal-mass wall, absorbing heat during the day and releasing it through the evening.  Living On The Edge: 5 Modern, Cliff-Side Homes by Aileen Kwun from Tunquen Treasure