For the first time in decades, the historic Balmoral Castle is unlocking its majestic doors to the public. Visitors are invited to embark on a guided journey through the opulent rooms and sprawling grounds of this royal retreat. For the first time since its completion in 1855, Balmoral Castle is offering private tours. The castle grounds, gardens, and exhibitions will be open to the public every day. The tours start on May 4 through Sunday, August 11. The visits will offer an expedition or a private tour exploring several exquisite rooms within the castle. They will be led by knowledgeable gui…