The National History Museum has opened a unique virtual tour of Krevo Castle. Unfortunately, the castle, where the union was signed to join the Grand Duchy of Lithuania and Poland for 5 centuries has not been preserved to the present day.Visitors can view the fortification from ten different angles. The graphic design of the castle was developed by a Belarusian historian.The project of the Historical Museum of Belarus will be continued. The development of 3D graphics for Golshanskiy castle has already started.