Sunset over the silhouette of jagged desert mountains. Stone wall

Sunset over the silhouette of jagged desert mountains. Stone wallSunset over the silhouette of jagged desert mountains. Narin Castle, Meybod, Meybod County, Yazd Province, Islamic Republic of Iran.

A Buddhist pilgrim talks on a cell phone whilst waiting at the entrance gate to offer prayers at the Memorial Chorten

The long pointed thorns of an acacia protect the delicate leaves from animals browsing

Batoka Gorge Hydroelectric Power Station

Featherdale

Small cups hold samples of freshly ground tea for taste testing

A thick coat of poisonous hairs protects the Tarchon larvae of a moth from attack by an ant

an outback mining town

Higashiyama

An enormous pumpkin grows in a vegetable patch by an irrigation hose

An Aboriginal guide teaching how to throw a boomerang

The River Paine tumbling over Cascada Paine waterfalls in the Andes

Daylight filters into the domed ceiling of a wealthy merchant's home