Plains Like Snake River Plain

High Plains

Plain

8.15 Great

South Texas Plains

Plain

7.10 Good

High Plains (USA)

Plain

6.83 Fair

Rolling Plains (Texas)

Plain

6.80 Fair

Llano Estacado

Plain

6.70 Fair

Palouse

Plain

6.61 Fair

Columbia Basin

Plain

6.37 Fair

Tigris-Euphrates Plain

Plain

9.25 Excellent

Coso Rock Art District

Petroglyph

9.10 Excellent

Altiplano

Plain

8.80 Great

Thurston Lava Tube (Nahuku)

Lava Tube

8.72 Great

Flint Hills

Plain

8.70 Great

Kalahari

Plain

8.55 Great

Lava River Cave

Lava Tube

8.48 Great

Thar Desert

Plain

8.45 Great

Plains of Abraham

Plain

8.45 Great

Murray-Darling Basin plains

Plain

8.40 Great

Great Hungarian Plain (Puszta)

Plain

8.30 Great

Douro Valley plains

Plain

8.20 Great

Khuzestan Plain

Plain

8.20 Great

Patagonian Plain

Plain

8.10 Great

Crystal Ice Cave

Lava Tube

8.06 Great

Salinas Valley

Plain

8.05 Great

Sahel plains

Plain

8.05 Great