Research into how one can create architecture that will last beyond the foreseeable future. Part ONE is research based, building up a manifesto based on; structural integrity, aesthetic longevity, programmatic adaptability and cultural relevance. The research is based on observing historical architecture from the past 2,000 years, both looking into how the buildings have stood the test of time physically, but also why they might remain attractive, analysing the comings and goings of beauty through time. The research is compiled and represented through suggested ideal ways of designing each of the architectural elements, such as the wall, window, door, threshold or stair. Part TWO applies the research to a case study; the extension and renovation of the Royal Palace in Stockholm, in order to turn the residence into a public building, with the extension functioning as a connection point between the city landscape and the palace beyond. The design has no specific programme other than allowing the palace complex to be used by the public, as they wish, for the future to come. A large part of the design is essentially made up of sculptural urban landscaping, colonnaded and vaulted walkways both interacting with the waterfront, and bringing the public up to the level of the palace which today stands behind tall walls. Whilst internally the new building functions as an entrance hall with necessary facilities, and creates a route into the existing palace.