A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.
Note: The Reptoids Research Center will not intentionally expose the exact location of secret underground installations. There are rational reasons for secrecy sometimes and we do not want to encourage trespassing or wilderness hikes by unskilled explorers who are looking to verify their suspicions.
Secret Underground Bases and Facilities. The history of humanity is laced with stories about secret underground facilities and bases that go back to the beginning and - more recently highlighted with catacombs of many cities - and caves that lead to underground chambers for all sorts of purposes, mostly thought of as clandestine - …
Underground Bases We recently came across a very interesting list from a book called Entrances to Subterranean Tunnels "Underground Alien Bases" (UAB) ISBN: 0-938294-92-X (UAB) which purports to list
The first section of this page was written by Phil Schneider:. Photo of United States Air Force tunnel boring machine at Little Skull Mountain, Nevada, USA, December 1982.
The Third Tunnel of Aggression (Korean: 제3땅굴) (Third Infiltration Tunnel or 3rd Tunnel) is one of four known tunnels under the border between North Korea and South Korea, extending south of Panmunjom
It seems impossible to think that a city could have an underground rail system that most people don't even know about. But that's the case with these four secret subways hidden beneath the bustling streets of some of America's biggest cities. Starting in 1899, the Illinois Telephone and Telegraph ...
A secret tunnel under Central Park has only appeared on the MTA subway map twice in history—but it's making a comeback. Read on.
An Alexandre Dumas, père, would have a field day envisioning a romantic White House: passages behind the walls, portraits with peepholes for eyes unseen, alcov...
Sep 08, 2015 · Here are 14 cities with deep roots and even deeper holes in the ground.
25 pictures of Britain's secret underground city — built to protect the government from nuclear attack
Jun 19, 2015 · People have been hiding things beneath Moscow for centuries: Byzantine libraries, Ivan the Terrible’s secret torture chamber, and Catherine the Great’s underground canal network.
NEW: Video link added to the bottom 12/14NEW: Second video link added to the bottom 12/15 Haha... two secret posts in a row. I have a mental list of stories I
Obersalzberg. Air Raid Shelters (Tunnel and Bunker Systems) When the Allied bombing campaign over the Third Reich became a reality in 1943, Reichsleiter Martin Bormann was forced to order the construction of a series of air raid shelters and command posts for the residents and military staff of the Obersalzberg.
THE DENVER AIRPORT. DEEP UNDERGROUND MILITARY BASES IN AMERICA . Unknown to most Americans is a dark secret, and it's right under our noses.
Excavated out of solid rock under the hill at Inchindown between 1939 and 1941, the former Admiralty underground oil storage facility behind Invergordon was officially called “Inchindown Admiralty Underground Oil Storage Depot”.
Apr 24, 2008 · Burlington: The 35 acre, secret subterranean Cold War City that lies 100 feet beneath Corsham. Welcome to Wiltshire’s Secret Underground City… the 35 acre subterranean Cold War City that lies 100 feet beneath Corsham. Built in the late 50s this massive city complex was designed to safely house ...
Clues about a stunning twist in the plot to kill Abraham Lincoln may be hidden in a forgotten subway tunnel
Sep 24, 2014 · You are in: Wiltshire > Wiltshire's Underground City > Burlington: 360 Gallery 1 > Burlington: Interactive Map Wiltshire's Secret Underground …
SECRET TREATY The United States Government and Extra-terrestrial Entities by Richard K. Wilson and Sylvan Burns Table of Contents Introductions ..... 1 Quotes ..... 17 Documents ..... 20 Freedom of Information Act ..... 74 JMP Request for Executive Order ..... 75 Lear-Cooper Indictment ..... 79 Mind Control ..... 89 Groom Lake and …
KAMY series of Roadheaders offers the best cutting performance in a wide range of rock formations. Equipped with geometrically optimized transverse or longitudinal cutter heads, these flexible machines can be used to excavate subway tunnels, road tunnels, railway tunnels and water tunnels without using explosives.