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.
Boybuloq Cave
Expeditions resumed in 2007 and a 25-man joint Russian-French-Swiss series of expeditions was carried out from 2018. One key focus of the expeditions, which will continue in 2019, was to search for a connection to the nearby Vishnevsky Cave, the second deepest cave in the area. The 2018 expeditions mapped more than of new passages in the caves and discovered several promising leads for new explorations. A series of dinosaur footprints were also discovered near the Boybuloq Cave entrance by a team from the Yekaterinburg Caving Club and explorations of the Vishnevsky Cave reached a new depth of .