Australia 1988, "The Desert".
The stamp was issued in the series "Landscapes".
Australia 2000, Namburg National Park.
The stamp was issued in the series "International stamps – Views of Australia".
Saint Vincent and the Grenadines 2014
The stamp above shows the Salar de Uyuni (Bolivia).
The stamp below shows the Pinnacles within Nambung National Park.
The miniaturesheet was issued in the series
"Natural Sites & Scenes of the World".