This program on the History Channel dealt with the Kensington Runestone in Minnesota and other evidence to support the idea that it was the Knights Templar in America one hundred years before Christopher Columbus.
Other rocks with rune figures were studied, and the Kensington Runestone was tested by a geologist. The tests showed roots had been on the runes for a long time. Testing of the same type of rock minerals in cemetery tombstones showed the writing could not be made later than the late 17th Century, before any permanent settlements in the area.
One part of the show showed possible ancient Egyptian artifacts found in an Illinois cave, but they are possible hoaxes. No testing was done on them, and I would like to see that looked into. The theory is the Knights Templar hid them in a cave along the Little Wabash river in Illinois. The man who found them has not told where, and there are many questions on them.
A stone structure found in New England is aligned to the Sun and Venus, and also points directly to the location of the Runestone. The 1500 mile straight line from the window is uncanny.
Oak Island also gets a mention in the program, since its location appears to be quite old. Two teen boys found the Money Pit in the late 18th Century, and writing found on a tablet in the Pit was in runes. It is not known if the Knights Templar built it for the treasure, or to hide some artifacts of value. This is a plausible scenario, since no one knows who built it. The engineering of the Pit is very advanced, and there should be some testing to try and determine if they can age the pit.
The basic idea is the Runestone was a territory claim made by the Knights. Christopher Columbus was also part of the Knights (through marriage at least), and it is thought that he knew he was headed to the New World. That would change the history books, as they state he always thought he was on the skirts of Asia. The facts brought up about our Founding Fathers being Freemasons, which are an offshoot to the Knights Templar, is also quite interesting. Was the USA founded by the Knights Templar?