How the Earth got its shape — explained with real places.
Every landform has a story: what built it, how long it took, and why people chose to live beside it. Each explainer here takes one landform, one real place, and the clearest videos we could find on it.
Latest explainers
The Taklamakan Desert in 10 Questions — How a Sea of Sand Formed in Inner Asia
Where is the Taklamakan, why is it so dry, where does its sand come from and why did Silk Road traders avoid it? Ten short answers with diagrams.
How Fairy Chimneys Form — and Why People Lived Underground in Cappadocia
Volcanic ash, a hard cap of rock and millions of years of rain built Cappadocia's fairy chimneys. The same soft stone let people carve whole cities underground.
How Ha Long Bay Was Formed — a Drowned Limestone Landscape
Ha Long Bay's nearly 2,000 islands began as seabed limestone, were carved by rain into towers, then drowned when the sea rose after the last Ice Age.
Why Rivers Meander — and How Oxbow Lakes Are Born
Fast water on the outside of a bend, slow water on the inside. Here is how rivers like the Mississippi curve, wander and leave oxbow lakes behind.
Browse by topic
- RiversMeanders, oxbow lakes, deltas and canyons. (1)
- CoastsSea stacks, arches, spits and the biggest tides.
- Karst & CavesLimestone towers, sinkholes and giant caves. (1)
- VolcanoesShield volcanoes, calderas and columnar basalt.
- Weathering & ErosionHoodoos, fairy chimneys and rock that wears away. (1)
- Deserts & WindDunes, sand seas and the Silk Road deserts. (1)
- Glaciers & IceFjords, U-shaped valleys and glacial lakes.
- Plates & MountainsRift valleys, fold mountains and faults.