Devils Punchbowl is a collapsed sea cave or littoral sinkhole located on a headland in Devils Punchbowl State Natural Area at the community of Otter Rock, about 8 miles (13 km) north of Newport and 5 miles (8 km) south of Depoe Bay, Oregon. Devils Punchbowl is...
Sea Lion Caves are a connected system of sea caves and caverns open to the Pacific Ocean at Sea Lion Point, about 36 miles (58 km) south of Newport and 11 miles (18 km) north of Florence, Oregon. The cave system extends for 1315 feet (401 m) and is the longest in the...
Helm Point is a prominent headland at the southern tip of Coronation Island in the Alexander Archipelago of Southeast Alaska, between Chatham and Sumner Straits, about 94 miles (151 km) south-southeast of Sitka and 86 miles (138 km) southwest of Wrangell, Alaska. The...
Skips Punchbowl is a littoral sinkhole along the California Coastal Trail in Mendocino County, located on the Noyo Headlands about 1 mile (1.6 km) south-southwest of Fort Bragg and 0.6 miles (1 km) west of Noyo, California. This section of coastline has been...
