The Nazca Lines, a UNESCO World Heritage site in Peru, are facing severe threats from encroaching mining activity, illegal land division, and inadequate protection. A recent report by Lima Gris details a landscape of abandonment and unchecked development around the geoglyphs. Evidence suggests that the lines are being directly impacted by debris, waste, and earthmoving. The investigation points to a failure of the Ministry of Culture (MINCUL) to adequately safeguard the area, effectively allowing the archaeological treasure to deteriorate. This “mortal sin by omission” demonstrates a critical lack of oversight and security, jeopardizing the long-term preservation of this invaluable cultural heritage. The report highlights urgent need for increased protection and responsible land management to prevent further damage and loss.