Top Results for World Record
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Spanning the St. Lawrence River near Quebec City, the Quebec Bridge uses a steel cantilever-truss structure to carry rail and road traffic. Its main span measures 549 meters, a defining achievement within cantilever bridge engineering. Completed in 1917, the structure demonstrates how projecting tru...
Why this score
World-record cantilever span, major engineering landmark, but construction collapses remain defining reputational weaknesses.
Scoring methodologyWithin Vietnam's Phong Nha-Ke Bang National Park, Son Doong contains enormous limestone passages shaped by an underground river. It is widely described as the largest known natural cave by volume, a distinction separate from having the longest connected network of passages. Vast chambers and areas w...
Veryovkina Cave is a deep limestone karst system in the Arabika Massif of Abkhazia, in the western Caucasus. A surveyed depth of approximately 2,212 meters was reported in 2018, establishing its reputation for exceptional vertical extent. Unlike a developed show cave, it consists of an expedition en...
Beneath Kentucky, the Mammoth Cave System extends through more than 400 miles of surveyed passages in limestone bedrock. It is the world's longest known cave system, a distinction based on mapped passage length rather than chamber size or total volume. Water gradually dissolved the rock over million...
The Sarawak Chamber resides within a complex karst system in Gunung Mulu National Park, Malaysia. This immense cave passage is recognized as the largest known underground chamber globally, measuring approximately 80 meters high and 237 meters wide. Its colossal scale makes it a significant geologica...
Dean’s Blue Hole is a remarkable limestone sinkhole located on Long Island in the Bahamas. It represents the world's deepest known underwater cavity, reaching approximately 202 meters (663 feet). The hole’s unique formation and extreme depth make it a significant geological feature and a globally re...
The Sótano de las Golondrinas is a remarkable limestone cave system located in San Luis Potosí, Mexico. This vertical shaft reaches an extraordinary depth of 333 meters making it one of the world’s deepest caves. It's notable for its unique geological formation within karst topography and most famou...
Deer Cave within Gunung Mulu National Park represents an exceptional karst formation in Malaysia. It’s notable for its immense size – one of the world's longest continuous cave passages – and supports a significant bat population exceeding three million individuals. The cave system is primarily lime...
Eisriesenwelt is a vast cave system within Austria’s Werfen region. It features extensive passages carved by meltwater through limestone formations, creating spectacular ice caves. This is the world's largest accessible ice cave with over 40 kilometers of explored routes. Geologists, speleologists,...
Sistema Ox Bel Ha is an extensive underwater cave network located in Quintana Roo, Mexico, near the Caribbean coastline. The system is characterized by its submerged limestone passages that are accessible through coastal sinkholes known as cenotes. Continually explored by cave divers, it ranks among...
Majlis Al Jinn is a large underground chamber in the limestone of Oman's Selma Plateau. Its floor is reached through natural openings in the ceiling, historically requiring a long free-hanging rope descent rather than entry through a horizontal cave passage. The chamber was documented by explorers i...
Xiaozhai Tiankeng, located in Chongqing, China, is a massive collapse sinkhole known as a tiankeng. Measuring approximately 662 meters deep and 511 meters wide, it is recognized as one of the largest and deepest sinkholes in the world. The depression was formed by the continuous collapse of a subter...
Mission Hills Haikou is a golf resort complex on Hainan Island, China, developed across terrain formed by ancient volcanic activity. It contains multiple courses designed by Brian Curley and occupies part of a larger resort with hotels, leisure facilities, and event venues. The complex is intended f...
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What leads the World Record ranking?
Quebec Bridge currently leads the World Record results with a displayed score of 9.20/10. This is an editorial ranking result for the items included on this page, not a universal verdict for every use case.
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The 0 to 10 score is Lunoo's ranking judgment. Strong confidence means 10 or more recorded comparison checks, some means 2 to 9, and provisional means fewer than 2.
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