Leviathan in popular culture also make their appearance in the 5th book, the "Princeps' Fury", when Aleran and Canim armies cross the sea on ships. Mike Carey's ongoing comic "The Unwritten" features Leviathan as a central character/force of nature that lies at the heart of the plot. In the book - Prisoner, Jailor, Prime Minister, the author - Tabrik C has used Leviathan as a chapter name, essentially comparing the antagonist to the biblical sea monster. "Escape from Leviathan" is a book on libertarian philosophy by J C Lester. "Leviathan" is the title of a piece in David Sedaris's 2018 collection of essays, "Calypso."
Leviathan Cave surveys have found newer, longer tubes, and have located longer passages of known tubes. Leviathan Cave is still the longest tube in Africa, but is only the 11th-longest lava tube in the world. Leviathan Cave is divided into two sections, the Upper Leviathan and the Lower Leviathan. The Upper Leviathan is 9,152 m long, with a depth of 408 m. The Lower Leviathan is 2,071 m long, with a depth of 70 m. These segments are considered separately when ranking the length of the Leviathan, per international standard. Like all lava tube caves, Leviathan Cave was formed by hot lava