2. Kalaupapa Cliffs, Hawaii, United States
Located on the shore of the Pacific Ocean in the Molokai island of Hawaii, the Kalaupapa Cliffs are the highest sea cliffs in the world with a height of 1,010 meters (3,315 feet) into the . The cliffs cannot be reached by car and visitors are transported by trail descending along the cliffs to Kalaupapa village