If you look up photographic examples of this type of rock, it will resemble a man-made appearance. However, it is the result of volcanic basalt flows that cool under the right conditions and are not man made. They occur naturally and are quite common throughout the Rocky Mountains, especially Eastern Washington near Clarkston & Walla Walla.
This natural occurring crystalline formation looks like evenly carved, octagonal posts.
Devils Tower near Sundance Wyoming, featured in "Close Encounters of The Third Kind", is a large example of Columnar Basalt.
As far as the "conspiracy to hide the truth", you have been listening to George Noory on "After Dark" lately haven't you. Richard C. Hogland is just another disgruntled crank who was fired by NASA because of his poor attitude as well as his ridiculous theories. You also might need a fresh roll of Reynolds Wrap, it is direct requirement for extraterrestrial insight.