There has been a long and mysterious history when it comes to places like Area 51 in the Nevada desert. The testing of secret weapons and crafts, the storing of alien spaceships and the study and/or collaboration with its occupants have long been accusations leveled at the base.
Although we have no proof that anything nefarious or other worldly is happening at such locations, the existence of many of these ‘secret’ bases has fueled speculation about their purposes throughout the 20th and now 21st century.
So whether it’s an underground base or some man made islands, let’s take a look at some of the most secretive military installations that don’t appear on any conventional maps but most certainly exist.