Through virtual reality, the application presents the most significant stages of the construction development of the Lipý water castle in Česká Lípa. 5 stops have been selected located in the castle area, where it is possible to enter the past of this exceptional place through the screen of a mobile phone. The three-dimensional computer reconstruction presents the forms of the castle and chateau in the years 1300, 1319, 1400, 1470, 1600 and 1670.