This unimaginably large pile of sand near Nazca is one of the tallest dunes in the world.

Now containing the bones of the actual conquistador, instead of someone else.

White llama terraces dazzle in Peru's "other Machu Picchu."

Extraordinary rock formations in open Peruvian fields.

Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

Sleep in a glass pod dangling off a cliff.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

Death rituals and sacrifice inside a Peruvian megalith.

The world's fifth tallest waterfall is a spectacular silver chute of water that cuts through the cloud forest in northern Peru.

This historic pink parlor keeps Phoenicians cool with homemade, retro ice creams.

This unique competition celebrates an American Indian and Canadian First Nation cultural tradition.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A Mars simulation in the southern Utah desert.

The fifth-longest natural arch in the world, and the longest outside China.

A sculpture for the sun and stars, created by Nancy Holt.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."