Visit the Sillustani burial towers

Walk among the 5,000-year-old pyramids of Caral, the oldest known city in the Americas

Explore Kuélap, the walled cloud-fortress of the Chachapoya — older than Machu Picchu and nearly empty

Descend into the underground galleries of Chavín de Huántar to meet the Lanzón, a 3,000-year-old fanged god

Watch the sun rise along the Thirteen Towers of Chankillo, a 2,300-year-old solar calendar in the desert

Set eyes on Río Abiseo, the UNESCO park almost nobody may enter — cloud-forest ruins and a monkey back from the dead

Cross the last Inca rope bridge, hand-woven from grass and rebuilt by four communities every June

Walk the ghost settlement of Santa Bárbara, the colonial mercury mine they called 'the mine of death'

More pyramids than all of Egypt.