Even if you ’ve been to the Catacombs of Paris or have gone spelunking in Brooklyn’sabandoned underpass lineage , there ’s still a wealth of underground places to be explored . Here are some of the humans ’s less welcoming manmade tunnels and grotto .

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In the seventies , this ordnance storein Kronstadt , Russia catch on blast . The heat and incendiaries depart off within the enwrap fortress warped its brick wall , transform its rooms into obsess stalactite - like cavern . you’re able to see more photos of its netherworldly ruinhere .

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In addition to the complex body part above , we have oodles of stories about tunnels , storehouses , creepy corridors , and living below the Earth’s surface in the io9 archives . Here ’s a bevy of real ( and a smattering of speculative ) subterraneous spots find around our planet :

– The subterranean sprawl of New York City ’s Freedom Tunnel

– Project Iceworm : the atomic metropolis blot out under Greenland ’s glacier

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– In an alternate existence , there ’s a 600 - miles per hour underground missile train between NYC and Philly

– The secret cave metropolis under Nottingham

– The industrial infinity of Kiev ’s metro tunnels

Bark Watch

– A underpass spelunker ’s guidebook to Paris ’ desert Métro station

– A 1934 Map Of The Secret Lizard City Under Los Angeles

– The metropolis - Sized Nuclear Bunker Chairman Mao Built

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– Diving Into the Wreck of Copenhagen ’s Metro System

– Ride Out 2012 In Style With Vivos Apocalypse Shelters

– How to turn a highway into a giant dungeon ( slightly NSFW )

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– Live In An Underground Hobbit Bunker

– In Bosnia , Tito ’s secret bunker is revealed

– Plans for a domed city in a kilometer - wide Siberian diamond mine

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https://gizmodo.com/the-subterranean-sprawl-of-new-york-citys-freedom-tunne-5581659

https://gizmodo.com/project-iceworm-the-nuclear-city-hidden-under-greenlan-5740188

https://gizmodo.com/in-an-alternate-universe-theres-a-600-mph-underground-5731620

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https://gizmodo.com/the-secret-cave-city-under-nottingham-5724921

https://gizmodo.com/the-industrial-infinity-of-kievs-metro-tunnels-5673560

https://gizmodo.com/a-subway-spelunkers-guide-to-paris-abandoned-metro-stat-5715416

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https://gizmodo.com/a-1934-map-of-the-secret-lizard-city-under-los-angeles-5471611

https://gizmodo.com/the-city-sized-nuclear-bunker-chairman-mao-built-5407764

https://gizmodo.com/diving-into-the-wreck-of-copenhagens-metro-system-5199912

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https://gizmodo.com/ride-out-2012-in-style-with-vivos-apocalypse-shelters-5515168

https://gizmodo.com/how-to-turn-a-highway-into-a-giant-dungeon-slightly-ns-5677462

https://gizmodo.com/live-in-an-underground-hobbit-bunker-5429212

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https://gizmodo.com/in-bosnia-titos-secret-bunker-is-revealed-5566433

https://gizmodo.com/plans-for-a-domed-city-in-a-kilometer-wide-siberian-dia-5689785

The Củ Chi Tunnels of Vietnam

Bark Watch

During the Vietnam War , the Vietcong built approximately 150 mi of cramped tunnels under the Ho Chi Minh City suburbia of Củ Chi . The tunnel were used by North Vietnamese soldier to avoid bombardment campaigns and evade US troops , but they also grew to conciliate a civilian population as village were bombed on the surface .

Life cloak-and-dagger wasalmost as miserableas life topside — spider , snakes , intestinal parasites , claustrophobia , and remembering where you rigged the booby sand trap and spike pits were part and parcel of burrow life . you’re able to watch a documentary on life in the Củ Chi Tunnelshere .

Željava Air Base

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The mankind ’s largest resistance airportwas build in 1965 in present - day Bosnia - Herzegovina . The Yugoslav government construct this massively expensive facility to house 1000 military officials and to hold out a nuclear strike on par with Nagasaki . The adroitness was destroyed in conflicts stemming from the dissolution of Yugoslavia in the early 1990s and is currently a precarious place to visit given the amount of undischarged mine in its surroundings .

Portland ’s “ Shanghai Tunnels ”

Underneath the street of Portland are a series of subterranean passages that lead to the Williamette River . These tunnels were build in the 19th century to enthral good to the metropolis ’s interface , but fit in to popular lore , these passages were used for a more minatory design : abduct unsuspicious Stumptowners and “ Shanghaiing ” them on to trade vessels headed across the Pacific . Even though this form of blackened market place impressment did happen in Portland , New scholarsdoubt that the tunnels were the epicentre of such marine kidnappings .

Greenworks

The Okinawa Naval Tunnels

During World War II , the Nipponese military build up a hush-hush naval installation under a hill near the town of Tamagusuku . On June 13 , 1945 , full admiral Minoru Ōta and his forces were faced with defeat at the hands of the American military . Rather than surrender , Ōta and his troopscommitted suicidein the composite . you could still see the shrapnel scars where the soldiers set off their grenade .

DefenseJapanmilitaryPortlandRussiaVietnam

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