Every summer, the Queen spends a weeks-long holiday at Balmoral Castle, a stunning Scottish estate which is said to be the British monarch's favorite residence. Her children, grandchildren, and great-grandchildren come to visit her to get away from the public eye, and just be a normal family (well, as normal as possible). Balmoral has been a refuge for the royals for more than a century, ever since Prince Albert bought the property for his wife Queen Victoria in the mid-1800s. Here, take a look back at the best photos of the royals at the Castle throughout history.