Breaking Fuel From the Rock
Geologists long knew there was natural gas in the Marcellus shale formation, but thought it impossible to unlock. But producers in the last decade learned to mine this huge resource by drilling horizontally to reach a large surface area, then fracturing the rock with high-pressure water, sand, and lubricant chemicals.View Interactive »
Illustrations by Stephen Rountree
Design by Stefan Estrada
Illustration Not to Scale
Almost everything in this hotel is made of salt, including the tables, the chairs, the floors, and even the walls.
Our photo editors pick the best pyramid pictures from National Geographic's archive.
In the California migrant camp that helped inspire The Grapes of Wrath 75 years ago, a lack of water has brought a familiar desperation.