Most travelers fly between cities like Lima, Cuzco and Arequipa, but if you want to explore beaches, deserts and mountains at your own pace, try a hop-on, hop-off bus. The roughly decade-old Peru ...

First, you’ll need to get to Peru. Fly into Lima, then drive or take a bus 400 km (250 miles) down the Pan-American Highway to the beachside town of Paracas.

A dozen years ago the Summer Institute of Linguistics got the idea of flying its missionaries into Peru’s roadless interior, used a wartime Grumman Duck piloted by U.S. Missionary Pilot Betty Green.