Ciudad Perdida Archaelological Park (Colombia.travel), also known as Teyuna, is on the Buritaca River in the Sierra Nevada de Santa Marta mountain range. Ciudad Perdida, which means lost city, is not easy to get to but visitors can enjoy the beauty of exotic forests, waterfalls and hanging bridges on the way.ierradentro Archaeological Park. Tierradentro Archaeological Park (colombia.travel) is in a mountainous region in southwest Colombia's Department of Cauca. A popular archaeological site, Tierradentro includes stone statues and underground tombs that reach 29 feet deep.