Off the coast of Halifax, Canada rests a very ingenious theorized treasure pit on Oak Island. In 1795 a teenager found what appears to be an underground shaft, later revealing alternating layers of foreign flagstone and timber. As excavations take place and at a certain depth, the main shaft continues to fill with salt water, preventing workers from digging deeper. After several failed attempts they discovered the core shaft is built with feeder tunnels stretching to the ocean, designed to deliberately flood the area when any of the tunnels are hit.
Experiments using red dye traced three tunnels connecting the shaft out to sea, with the possibility of additional tunnels further down. With obvious evidence of an ingenious type of hydraulic protection system, and several strange markings found on stones around the island, many theories of what lies below have spawned. Trace element testing has returned higher than normal concentrations of radiation and mercury in some areas. One mysterious discovery came from a small camera maneuvered down a tunnel, finding what appeared to be remnants of tools. Some researchers claim the pieces look ancient, while others suggest something futuristic and beyond our time.
To some, the ancient Oak Island hydraulic system is also considered a money pit for the vast amount of wealth spent over the years in attempt to find out what is buried below. The pit has faced numerous excavations, even including attempts by notable individuals such as Franklin D. Roosevelt. The system is very elaborately built as if to hide something of great importance, or perhaps less likely as an extremely sophisticated prank. Theories have connected the Knights Templar to the site, claiming the Ark of Covenant or Holy Grail must exist deep below.
Templar connections are often backed by skilled construction of the site, and the fact a number of prominent Knights and Masons have attempted to retrieve the pit's contents. Relics of past Oak Island visitors along with strange rock formations have been discovered in recent years, adding to the mystery. Video footage counters the idea of natural formation as the stone tunnels are chiseled into shape consistently throughout. New excavations with large drilling equipment have extracted very old square timber which potentially could be from the vault casing as theorized. Retrieving artifacts from those tunnels may help decipher many mysteries surrounding the money pit, but doing so has proven to be a difficult task in itself even with modern equipment.
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