Bathyscaphe Trieste
Trieste is a Swiss-designed, Italian-built deep-diving research bathyscaphe, which with its crew of two reached a record maximum depth of about , in the deepest known part of the Earth's oceans, the Challenger Deep, in the Mariana Trench near Guam in the Pacific. On 23 January 1960, Jacques Piccard (son of the boat's designer Auguste Piccard) and US Navy Lieutenant Don Walsh achieved the goal of Project Nekton.
Vanderford Valley
Vanderford Valley (Other English names: Vanderford Strath, Vanderford Submarine Valley Hungarian "Vanderford-selfvölgy") () is an undersea valley, named in association with the Vanderford Glacier, which reaches a depth of 2287 m (7,503 ft). This may be the deepest glacier-carved valley in the world.