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  2. List of deepest caves - Wikipedia

    en.wikipedia.org/wiki/List_of_deepest_caves

    Map all coordinates in "List of deepest caves" using OpenStreetMap. ... World's Longest Caves; References This page was last edited on 19 February 2025 ...

  3. List of deepest mines - Wikipedia

    en.wikipedia.org/wiki/List_of_deepest_mines

    This list of deepest mines includes operational and non-operational mines that are at least 2,212 m (7,257 ft), which is the depth of Veryovkina Cave, the deepest known natural cave in the world. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point.

  4. List of lakes by depth - Wikipedia

    en.wikipedia.org/wiki/List_of_lakes_by_depth

    Therefore, mean depth figures are not available for many deep lakes in remote locations. [9] The average lake on Earth has the mean depth 41.8 meters (137.14 feet) [9] The Caspian Sea ranks much further down the list on mean depth, as it has a large continental shelf (significantly larger than the oceanic basin that contains its greatest depths).

  5. Kola Superdeep Borehole - Wikipedia

    en.wikipedia.org/wiki/Kola_Superdeep_Borehole

    The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth (since 1979), which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1]

  6. List of seas on Earth - Wikipedia

    en.wikipedia.org/wiki/List_of_seas_on_Earth

    The World Ocean. For example, the Law of the Sea states that all of the World Ocean is "sea", [8] [9] [10] [b] and this is also common usage for "the sea". Any large body of water with "Sea" in the name, including lakes. River – a narrow strip of water that flows over land from a higher elevation to a lower one

  7. Mponeng Gold Mine - Wikipedia

    en.wikipedia.org/wiki/Mponeng_Gold_Mine

    As part of the Witwatersrand, the largest gold mineralization on earth, Mponeng is the result of the discovery of the basin by Europeans. Beginning in the 1850-70s a series of mineral discoveries were made in the area, including those of Pieter Jacobus Marais panning gold from a river and Henry Lewis finding quartz and gold vein on a farm, that led to the Witwatersrand Gold Rush in 1886. [9]

  8. Places where modern day cannibalism still exists - AOL

    www.aol.com/news/2016-06-29-places-where-modern...

    The tribe is located 100 miles away from where Michael Rockefeller, a son of then-New York governor Nelson Rockefeller, disappeared in 1961. He is thought to be a victim of an another Papuan tribe.

  9. Extremes on Earth - Wikipedia

    en.wikipedia.org/wiki/Extremes_on_Earth

    The easternmost and westernmost points on Earth, based on the east–west standard for describing longitude, can be found anywhere along the 180th meridian, which passes through the Arctic, Pacific, and Southern Oceans, as well as parts of Siberia (including Wrangel Island), Antarctica, and three islands of Fiji (Vanua Levu's eastern peninsula, the middle of Taveuni, and the western part of ...