Mysterious Places in the world

 To Sua Ocean Trench on the island of Upolu in Lotofaga, Samoa. Tosua means a "Gigantic Swimming Hole". It is believed that lava field blow holes making thees tide pools and walking paths along the shore and near the ocean’s edge. it is about 30 meters down from the ground level, one must climb down a long ladder to the natural pool. The pool is situated close to Lotofaga, which is a village on the south coast of Upolu island in Samoa.

Located in the village of Lotofaga (population: 1,089) on the south coast of Upolu island in Samoa, is the To Sua Ocean Trench. An all-natural swimming hole with a large ladder and small dock, visitors can pay a fee ($15 for adults, $6 for children 7-15, free for kids under 7) to access the 30 meter (98 ft) deep hole.
The island of Upolu was formed by a massive basaltic shield volcano. With an area of 1,125 km2 (434 sq mi) and a population of 135,000, it is the second largest in geographic area and the most populated of the Samoan Islands. Samoa gained its independence from New Zealand in 1962.
To Sua Ocean Trench is open all week from 7am to 6pm.