![Turners Tunnels: Short Tunnel](https://c1.vgtstatic.com/thumb/1/3/134468-v1/turners-tunnels-short-tunnel.jpg)
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![Trans-Tokyo Bay Highway Kisarazu City entry](https://c1.vgtstatic.com/thumb/4/0/4048-v1/trans-tokyo-bay-highway-kisarazu-city-entry.jpg)
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![Folgefonn Tunnel](https://c1.vgtstatic.com/thumb/1/0/107840-v1/folgefonn-tunnel.jpg)
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![Burnley Tunnel access and air vent](https://c1.vgtstatic.com/thumb/8/5/85188-v1/burnley-tunnel-access-and-air-vent.jpg)
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![Twin Peaks Tunnel (East portal)](https://c1.vgtstatic.com/thumb/8/4/84737-v1/twin-peaks-tunnel-east-portal.jpg)
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![Caldecott Tunnel, Northern Exit](https://c1.vgtstatic.com/thumb/1/4/14401-v1/caldecott-tunnel-northern-exit.jpg)
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![Hospital Rock Tunnels](https://c1.vgtstatic.com/thumb/1/3/134254-v1/hospital-rock-tunnels.jpg)
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![Prestbury tunnel](https://c1.vgtstatic.com/thumb/1/3/134772-v1/prestbury-tunnel.jpg)
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![Lincoln Tunnel](https://c1.vgtstatic.com/thumb/1/0/101771-v1/lincoln-tunnel-1.jpg)
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![Old Elbe Tunnel Entrance](https://c2.vgtstatic.com/thumbll/8/9/89019-v1/old-elbe-tunnel-entrance.jpg)
© Bing Maps
![The spiral corkscrew Bragernes tunnel](https://c2.vgtstatic.com/thumbll/6/5/65669-v1/the-spiral-corkscrew-bragernes-tunnel.jpg)
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![Tyne Tunnel](https://c1.vgtstatic.com/thumb/1/3/134184-v1/tyne-tunnel.jpg)
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![Col de Tende Road Tunnel](https://c1.vgtstatic.com/thumb/1/3/134166-v1/col-de-tende-road-tunnel.jpg)
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![Lefortovo Tunnel](https://c1.vgtstatic.com/thumb/1/3/135144-v1/lefortovo-tunnel.jpg)
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![North Portal of Gotthard Road Tunnel](https://c1.vgtstatic.com/thumb/1/0/104394-v1/north-portal-of-gotthard-road-tunnel.jpg)
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![Hampton Roads Bridge-Tunnel](https://c1.vgtstatic.com/thumb/1/3/134328-v1/hampton-roads-bridge-tunnel-2.jpg)
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![Central Artery/Tunnel Project (a.k.a The Big Dig)](https://c1.vgtstatic.com/thumb/8/3/83833-v1/central-artery-tunnel-project-a-k-a-the-big-dig.jpg)
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![Staple Bend Tunnel (America's first railway tunnel)](https://c2.vgtstatic.com/thumbll/1/1/115124-v1/staple-bend-tunnel-americas-first-railway-tunnel.jpg)
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![Fréjus Rail Tunnel](https://c1.vgtstatic.com/thumb/1/3/134154-v1/fr-jus-rail-tunnel.jpg)
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![East Side Trolley Tunnel](https://c1.vgtstatic.com/thumb/1/3/134319-v1/east-side-trolley-tunnel.jpg)
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![Bridge-Tunnel over Tokyo Bay (Entry of the tunnel)](https://c1.vgtstatic.com/thumb/2/1/21626-v1/bridge-tunnel-over-tokyo-bay-entry-of-the-tunnel.jpg)
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![Salang tunnel (north portal)](https://c1.vgtstatic.com/thumb/9/2/92501-v1/salang-tunnel-north-portal.jpg)
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![Zion Tunnel](https://c1.vgtstatic.com/thumb/1/3/134316-v1/zion-tunnel.jpg)
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![Iron Mountain Storage Entrance](https://c2.vgtstatic.com/thumbll/1/3/130034-v1/iron-mountain-storage-entrance.jpg)
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![Cudgen Road Tunnel](https://c1.vgtstatic.com/thumb/1/3/134388-v1/cudgen-road-tunnel.jpg)
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