There has been numerous occasions and events in human history where people used the reference of planet Mars. Mars is special planet, not because it is most referred in literature and most closes to our Earth but it is more habitable and has many reason to support life in future.

Even if the facts are different, the governments and space agencies around world won't let people know about those pyramids or other finings, because this will send out the panic ripple across globe and may hamper financial establishment and trigger war across Globe.