The Peter and Paul Fortress is not only a historical landmark but also home to several museums. The fortress itself is a significant part of St. Petersburg's history, as it was the original citadel of the city. Within the fortress, visitors can explore the Peter and Paul Cathedral, which houses the tombs of the Russian tsars. Additionally, the fortress is home to the Museum of the History of St. Petersburg, where visitors can learn about the city's founding and development. The Peter and Paul Fortress offers a unique opportunity to delve into the history of St. Petersburg and its royal past.