At head of title: Smithsonian.

Includes index.

Unique earth: Earth in space -- Layered planet -- Dynamic Earth -- Spreading rifts -- Collision zones -- Earthquakes -- Volcanoes -- Superheated water -- Rocky planet -- Formidable formations: Andes mountain range -- San Andreas Fault -- Uluru -- Mount Everest -- Namib Desert Dunes -- Giant's Causeway -- Grand Canyon -- Salar De Uyuni -- Fairy Chimneys -- Atacama Desert -- White Desert -- Forest of Knives -- Great Rift Valley -- Mount Roraima -- Antelope Canyon -- Fire and steam: Kilauea -- Hawaiian Island Chain -- Erta Ale -- Dallol Hot Springs -- Rotorua -- Black Smokers -- Volcanic Java -- Mount Etna -- Yellowstone Caldera -- Frozen world: Kaskawulsh Glacier -- Ice-age Scars -- Norwegian Fjords -- Mendenhall Glacier -- Antarctica -- Icebergs -- Frost flowers -- Lake Baikal -- Water world: Victoria Falls -- Hang Son Doong -- Amazon River -- Dead Sea -- Cano Cristales -- Pamukkale -- Great Barrier Reef -- Ganges Delta -- Angel Falls -- Great Blue Hole -- Lake Natron -- Extreme weather: Thunderstorm -- Supercell -- Tornado -- Microburst -- Hurricane -- Ice storm -- Fire devil -- Aurora Borealis -- South Asian Monsoon -- Dust storm -- Disaster zones: Philippine earthquake -- Japanese tsunami -- Pompeii -- Mount Pinatubo -- Black Saturday bushfires -- Hurricane Katrina -- Sahel drought -- Living earth: Rainforest -- Savanna -- Desert -- Temperate forest -- Boreal forest -- Tundra -- Marine habitats.