The headquarters of the Central Intelligence Agency (CIA) in Washington D.C. houses a fascinating piece of art that has captured the imagination of cryptanalysts and puzzle enthusiasts for decades. Commissioned by the CIA, local artist Jim Sanborn created a sculpture adorned with a cryptic code that has proven to be one of the most challenging puzzles in modern history. This article delves into the history, structure, and decryption attempts of the enigmatic Kryptos sculpture.