Ciudad Perdida Tour, the Best Excursion in South America Discover Ciudad Perdida on a 4-day tour through the Sierra Nevada de Santa Marta, Colombia. Experience this jungle adventure that combines trekking, excitement, and an immersive indigenous cultural encounter. The route and trails themselves are a journey through dense vegetation, rivers, and mountainous terrain, offering breathtaking views and a unique connection with nature. During this excursion, you will observe the region’s biodiversity, witness indigenous ways of life, and visit special sites that add a sense of mystery to the trek. Travelers will have the chance to explore the ancient archaeological ruins of Teyuna, a sacred city of the ancient Tayrona civilization.