Peru

A new exhibit at the National Museum of the American Indian highlights the engineering prowess of the Inca, whose great road once spanned mountains, deserts and forests in 6 South American countries.

Gaston Acurio is the world's premiere cheerleader for Peruvian cuisine, and he has just written a cookbook. It features 500 recipes from around the country — including more than 20 kinds of ceviche.

Drug-resistant tuberculosis is a growing problem. It's spread through the air. It can kill you. And it's incredibly difficult to treat. But a program in Peru shows that the disease can be cured.

The autopilot toy planes, equipped with cameras, help conservationists detect illegal logging and mining earlier in the remote parts of the Amazon basin.