No. 5: Area 51
Photo Credit: OakleyOriginals
Ah, the infamous Area 51! Our list would not have been complete without mentioning the conspiracy theories relating to the government testing facility located in Groom Lake, Nevada. Over the years, there have been numerous theories regarding Area 51: some say that it is home to an alien spacecraft that landed in Roswell, New Mexico. Others state that alien technologies are being tested in the facility and some even believe that actual extraterrestrial beings aid with these researches.