Sydney's historic Hyde Park Barracks is reopening after a year-long transformation.
The barracks site will offer immersive activities across three floors and audio technology will allow visitors to stand where convicts stood and hear their stories.
The site reopens to the public on Friday.
Arts Minister Don Harwin said the UNESCO World Heritage-listed site told a major part of Australia's convict story and the upgrades offered fresh insight into Sydney's past.
He said the impact of the site on Aboriginal land, culture and communities would also be highlighted.
"This is an historic day with the reopening of such an important heritage landmark - a building that has been central to many chapters of Sydney's emergence as a rich, multicultural city," Mr Harwin said in a statement on Thursday.
"It's brilliant to see how technology is enhancing the visitor experience for our cultural institutions.
"This is going to be a dynamic learning experience for school children and adults alike."
Commissioned in 1817 by Governor Lachlan Macquarie, the Hyde Park Barracks originally housed convicts but also served as an immigration depot, asylum, law courts and government offices.
NSW residents can claim a 20 per cent discount on tickets in the opening months of the updated barracks.
Australian Associated Press