Bardenas Reales
Clay and sandstone badlands carved into mesas and gullies in Navarre.
Formations
Craters, calderas, rifts, dunes, and badlands: landforms shaped by impact, fire, wind, and water.
Crater Lake
A lake in the caldera of Mount Mazama, which collapsed about 7,700 years ago.
Great Rift Valley
The floor of the Eastern Rift around Lake Naivasha, between the Mau and Aberdare escarpments.
Lake Toba
The lake in the Toba supervolcano caldera, with Samosir island rising in its middle.
Manicouagan Reservoir
A ring-shaped reservoir filling the eroded moat of an impact crater about 214 million years old.
Namib Sand Sea
Star and linear dunes of the Namib around the Sossusvlei clay pan.
Richat Structure
Concentric rings of eroded rock about 40 km across in the Sahara.
Þingvellir
A rift valley where the North American and Eurasian plates pull apart, beside Þingvallavatn.