Atlas Survival Shelters creates these custom underground shelters to fit any need you may have. They are designed to be buried at least 10ft below ground level. This trap door is one way to enter it from the top. These underground pods can connect together, or it can open up into a house above. Each […]
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A clandestine grow operation was built in an elaborate underground bunker in Tennessee a few years back. The escape tunnel entrance was concealed under a false stone that lifted up to allow access.
These MonoVault gun tubes from StoreGuns.com seal tight to preserve your gun in shipping or storage, even buried underground!
These removable floorboards in Harvington Hall reveal a ladder down to an underground priest hole.
This secret trap door leads to an underground priest hole for concealing traveling priests during the reign of Queen Elizabeth I.
This bank vault door is located in the basement of an apartment building in Memphis, TN.
The Touro Synagogue in Rhode Island houses this trap door to a secret room below the floor. Traditional stories say Spanish and Portuguese Jews kept such secret rooms in their synagogues to hide from the agents of the Inquisition.
EHow has a simple tutorial on how to build a concrete underground storm shelter like this one shown.
Reliable Storm Shelters provides these solid steel constructed shelters intended to be used underground. They can be set into landscaping in a variety of ways to still allow easy access.
This secret bookcase door, posted by a member of Reddit, opens into a mile long tunnel leading to a nearby church.