tunnel
underground passageway
Port Miami Tunnel
tunnel in Florida
Thomson River Diversion Tunnel
protected area in Victoria, Australia
Victoria Park Tunnel
vehicle tunnel in Auckland, New Zealand
Williamson's Tunnels
labyrinth of tunnels in the Edge Hill area of Liverpool, England
underwater tunnel
tunnel which pases under water
cut and cover tunnel
tunnel type
Kutuzovsky Tunnel
road tunnel in Moscow
Tunnels of Claudius
hydraulic work and archaeological site
St. Paul Pass Tunnel
Idaho St. Paul Pass Tunnel
Euphrates Tunnel
legendary tunnel under the river Euprhates
Phoenix Mountain Tunnel
tunnel in Suzhou, China
Cramer Tunnel
Railroad tunnel in Minnesota, United States
Elstree to St. John's Wood Cable Tunnel
power cable tunnel in north London
Amur River Tunnel
tunnel
Albert Park tunnels
tunnels in Auckland, New Zealand, air raid shelters during WW II
Discovery Bay Tunnel
tunnel on Lantau Island, Hong Kong
Laurel Hill Tunnel
former Pennsylvania Turnpike Tunnel, Current roll-down tunnel
Mount Erlang Tunnel
tunnel in Luding, Garzê, Sichuan, China
Mount Victoria Tunnel
road tunnel in Wellington, New Zealand
Simpson Tunnel
tunnel in Fayette County, Pennsylvania, U.S.
Tate's Cairn Tunnel
tunnel in Hong Kong
Tunnel under the Royal Castle Square in Warsaw
tunnel in Warsaw, Poland
Great Siege Tunnels
Tunnel in Gibraltar
Templar Tunnel
archaeological site in Israel
tunnel of aggression
tunnels constructed by North Korea under the North–South Korean border
Great North Road, Gibraltar
tunnel in Gibraltar
Oneida Number One Tunnel
mine tunnel in Schuylkill County, Pennsylvania
military tunnel
underground cavity used in warfare
White House to Treasury Building tunnel
Tunnel between the White House and the Treasury Building
Bullion Tunnel
tunnel east of Avery, Idaho, United States
Southern Tunnel
road-under-rail tunnel in Moscow
Lung Shan Tunnel
Road tunnel in Hong Kong
Tunnel of Friendship
Tunnel connecting mosque and cathedral in Indonesia
base tunnel
type of tunnel that is built through the base of a mountain pass
Shanghai tunnels
Tunnel system in Portland, US
smuggling tunnel
secret subterranean passage used for the smuggling of goods and people
canal tunnel
tunnel for a canal
East Side Trolley Tunnel
American mass transit tunnel
Lytle Tunnel
vehicular tunnel that carries Interstate 71 under Lytle Park in Cincinnati, Ohio, United States, connecting Fort Washington Way to the Northeast Expressway
New York City water supply system
municipal water supply
Passaic River Flood Tunnel
proposed flood relief tunnel
Second Harbour Crossing, Auckland
proposed second transport link over the Waitematā Harbour in Auckland, New Zealand