Sunset warms the walls of an ancient mud brick fortress overlooking the desert plain. Rano Raraku

Sunset warms the walls of an ancient mud brick fortress overlooking the desert plain. Rano RarakuSunset warms the walls of an ancient mud brick fortress overlooking the desert plain. Narin Castle, Meybod, Meybod County, Yazd Province, Islamic Republic of Iran.

Palm fronds near gilded pillars at the Temple of the Emerald Buddha

A Canadian sled dog viciously barking and snarling on a lead

Silver Gulls forage in the wet sand of a wide sweeping beach at sunset Sandy Point

The textured surface of a brick retaining wall at a sandy beach

View at sunset of silhouetted offshore islands in a wetland lagoon

Gangteng Valley

A Wood Sandpiper reflected in the surface of a calm waterhole with the sunset afterglow

An official uses a wooden cane to ensure Brahman bulls do not become entangled in their ropes

A myriad of pastel pinks and purples of broken shells on a sand beach

A scientist photographs Whale Shark genitals for marine research

Wind turbines on a barren volcanic hill shrouded in cloud in Antarctica

A Southern Humpback Whale exhales as it dives below the ocean surface