Is the Tower of London a prison?

The official name of the Tower of London is "The Palace and Castle of Her Majesty the Queen of London", although the last ruler who lived as a palace centuries ago was James I (1566 to 1625). The Tower of London used to be a fortress, an armory, a treasury, a mint, a palace, an observatory, a refuge and a prison, especially for prisoners in the upper class. This last usage gave birth to the phrase "sent to the tower", which means "in prison". Elizabeth I was imprisoned here for some time during the reign of her sister Mary I; The Tower of London was last used as a prison during World War II, when rudolf hess was imprisoned. 1988 is listed as a world cultural heritage.

Actually, I'm telling you ~ One interesting place in the Tower of London is that it is said that the Tower of London is haunted ~ You can sign up for a local ghost hunting group at night ~ A large group of people catch ghosts ~ It's quite conscious.