The investigation tour "The Mystery of the Ipatiev House" is a unique opportunity to unravel the mysteries of the past. Participants will enjoy an exciting immersion into one of the most mysterious stories of the 20th century. Events, facts, and hypotheses will come to life before their eyes, allowing them to find answers to key questions themselves. The Ipatiev House is a place that will forever remain in the memory of historians and researchers. It was here that events occurred that became one of the darkest pages of Russian history. On the night of July 16-17, 1918, the house witnessed the tragic end of the Romanov family. Since then, the history of this place has been surrounded by numerous legends and theories. The investigation tour "The Mystery of the Ipatiev House" offers not just to learn about the events of that time but also to participate in the search for answers. With the help of archival documents, testimonies from contemporaries, and reconstructions of events, participants will be able to restore the chain of facts and better understand the significance of this house for the history of the country. Visitors to the tour will learn about the key figures of that era-from the royal family to the direct participants in the tragic events. Special attention will be paid to Boris Yeltsin's role in the fate of the Romanov remains and his contribution to the investigation. The complex intertwining of fates, intrigues, and political decisions will become clearer thanks to the exhibition and the guide's accompaniment. Each hall of the tour is a separate fragment of the narrative. Participants will step by step follow the path from the seclusion of the royal family in Yekaterinburg to the tragic denouement. Special attention will be given to the myths and facts related to the Ipatiev House, including disputes about its demolition and subsequent archaeological finds. For lovers of detective plots, this tour is a true gift. The history, like a tangled ball of yarn, unfolds along the route. Participants will track key characters, establish their motives, and analyze actions to answer the questions that have remained unanswered for over a hundred years.