In his April 2003 address restored by the in Delhi, India, His Highness the Aga Khan observed that its chahar-bagh (lit. four gardens) construction, the first in the sub-continent to surround a Mughal tomb, was
an attempt to create a transcendent perfection — a glimpse of paradise on earth.
Speaking about the restored gardens becoming 'the fulcrum and catalyst for socio-economic development as well as an irreplaceable resource for education,' the Aga Khan went on to assert that 'Whether through neglect or wilful destruction, the disappearance of physical traces of the past deprives us of more than memories. Spaces that embody historic realities remind us of the lessons of the past.'
'How,' he asked, returning to Humayun's Tomb 18 months later in November 2004 for the , 'do we protect the past and inspire the future?'
This and related questions on the vital role of heritage in human flourishing led to a proposal in 2007 to document Ismaili heritage sites globally as a Golden Jubilee initiative.
 Ismaili heritage sites
identified around the world
Ismaili heritage sites
documented
countries around the world
where sites have been identified
The scope, criteria, and understanding of what constitutes Ismaili heritage and how to document it came together over time through many discussions and debates held between 2008-2014. During that period, an inventory of sites was developed. The Ismaili Heritage (IH) Project was formally established in 2015, providing IH with a home at IIS.
IH is a tripartite collaboration and truly joint project between ¹ú²úÊÓƵ in London, Aga Khan Trust for Culture in Geneva, and institutions.
IH is guided by key principles articulated by His Highness the Aga Khan, including to: