D
Damascus
Danube River
Danubian Gates
Darien Gap
Davis, William M. (1850–1934)
Dead Sea
Deccan Plateau
Delaware
Delmarva Peninsula
delta
demographics
Denmark
desert
The Extreme Earth: Deserts
desertification
determinism
Dhaka
diffusion
direction
distance
Djibouti
Dominica
Dominican Republic
domino theory
Don River
Drakensberg Mountains
dunes