It houses some of the most ancient articles and photographs going back to the times of the British rule in India.

The Viceregal Lodge was designed by British architect Henry Irwin and built in the Jacobethan style during Lord Dufferin’s tenure as Viceroy.

The structure draws inspiration from the architectural style of the English Renaissance, and also reflects elements of the castles of the Scottish Highlands.

The interior of the main building is noted for elaborate woodwork which has stood the test of time.

The C.P.W.D., the Himachal Pradesh High Court, and the Himachal Pradesh University were allowed in due course to use some of its buildings but the bulk of the Estate, including its well kept lawns and rich greenhouse, has remained in use for the Indian Institute of Advanced Study.