Edinburgh Castle Experience: Pass by and admire the power of The Portcullis Gate constructed 450 years ago 🏰 Climb Lang Stairs. They provide a direct route with 70 steps to the castle’s summit. They were the original entrance and an alternative route was created in the 1600s for moving heavy guns 🏰 St. Margaret’s Chapel is the oldest building in the castle, built around 1130. It has plain exteriors but ornate original arches and stained glass windows inside 😍 Mons Meg is a six-tonne siege gun