Recognizing the universal importance of Nikola Tesla and his creation, on 16th October 2003 UNESCO included Tesla's archive, as a part of the movable documentary heritage of mankind in the Register "Memory of the World", which is the highest form of protection of a cultural property.
On March 2006, National Aeronautics and Space Administration (NASA) granted a special acknowledge to the Nikola Tesla Museum regarding 150th anniversary of the birth of Nikola Tesla. Stating that Tesla’s advancements are vital to their efforts to investigate the mysteries of the cosmos and thus honored the Museum with flags of Serbia and Montenegro and of United States. These flags traveled aboard the space shuttle Discovery on its historic STS-114 mission in July and August 2005.
In October 2006, the Institute of electrical engineers awarded Nikola Tesla Museum with special recognition for preserving Tesla's documents and artefacts.
The Nikola Tesla Museum was conceived from the outset as a complex institution, encompassing cultural, educational, scientific and memorial functions. This largely determined its original vision and mission. As a cultural institution, the Museum deals with the protection and presenta-tion of Tesla’s legacy.
The Museum is preserving a myriad of personal items utilized by Tesla during his life. The aforementioned items are nowadays divided into numerous Museum’s collections. Nevertheless, the most precious possession of the Museum is Tesla’s personal archive containing 163.911 document signatures, manuscripts, scientific notes, calculations, schemes, drawings, and letters.