Answer
The Pyramid of Unas, located in Saqqara, Egypt, holds the distinction of being the focal point of Rambova's scholarly pursuits before her untimely demise. This particular pyramid is renowned as the resting place of the pharaoh Unas, who reigned during the 24th century BC. Notably, it is the oldest known pyramid to feature pyramid texts, a collection of ancient religious writings inscribed within the burial chambers.