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tunnels
tunnels
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Name
Since
‘Catacombs’ of Petrovaradin Fortress
Serbia
2019
0km
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100,000 Soldiers of Trabuc Caves
France
2018
0km
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1930 Folk Street
China, People’s Republic of
2019
0km
site_ao
816 Underground Nuclear Plant
China, People’s Republic of
2019
0km
site_ao
A Hidden Park in Pittsburgh
United States
2018
0km
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A Labyrinth of Caves Stretches Beneath Bristol
United Kingdom
2018
0km
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A Medieval Network of Canals Is Hidden Under Salzburg
Austria
2017
0km
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A Secret ‘Tunnel of Love’
Romania
2018
0km
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A Secret Tunnel of Bones in One of Malta’s Oldest Churches
Malta
2017
0km
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Abandoned Eriksdal Train Tunnel
Sweden
2019
0km
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Abandoned Mineral Belt Railroad Tunnel
United States
2019
0km
site_ao
Abandoned Salt Tunnels on the Spanish Coast
Spain
2017
0km
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Acequia Madre
Mexico
2019
0km
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Aeroseum
Sweden
2019
0km
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Albarracín-Cella Roman Aqueduct
Spain
2019
0km
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Alcoy and Maigmó Greenways
Spain
2018
0km
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An Abandoned Canal Route Hides Beneath Manchester, England
United Kingdom
2019
0km
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An Innovative Attempt to Break a Siege in the American Civil War Still Scars the Earth
United States
2019
0km
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Bell Inn Caves
United Kingdom
2018
0km
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Blair Street Underground Vaults
United Kingdom
2019
0km
site_ao
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