Pre-Columbian peoples left behind a wide-ranging legacy: the awe-inspiring monuments and artfully crafted works in ceramic, gold and stone comprise but a fraction of the great works in existence before the Europeans arrived.
Machu Picchu The godfather of great ruins, this mountaintop Inca citadel is best enjoyed as the finale of a multiday trek.
Cuzco The continent's oldest continuously inhabited city, where you can still find flawless Inca-built walls lining cobblestone streets.
Kuélap Perched atop a limestone mountain, this monumental stone-fortified city is a relic of a fierce cloud-forest-dwelling civilization.
San Agustín In southwest Colombia, the mysterious San Agustín culture left behind hundreds of statues carved from volcanic rock.
Rapa Nui Better known as Easter Island, this Polynesian outpost is home to utterly mystifying moai statues.
Nazca Lines Mysterious carvings in the sand spread across hundreds of square kilometers; scenic flights are the best way to see it.