Nudibranch on coral, Papua New Guinea, Pacific

A tiny shrimp (Periclimenes soror) lives on a pin-cushion starfish in Raja Ampat, Indonesia. This remote, tropical region is home to extraordinary marine biodiversity.

A colorful nudibranch, Phyllidia varicosa, crawls on a black sand seafloor in Alor, Indonesia.

Lemons (Citrons), Campania region, southern Italy, Europe

A vibrant nudibranch, Phyllidia sp., feeds on sponges on a coral reef in the remote, tropical islands of Raja Ampat, Indonesia.

Khujand, Sughd Province, Tajikistan. Small bumpy yellow pomegranates at the Panjshanbe Bazaar in Khujand.

Horse and buggy, Santiago de Cuba, Cuba

Zanzibar, Tanzania, Sand Patterns

Warthog

Zanzibar, Tanzania, Sand Patterns

Ecuador, Galapagos Archipelago, Santa Cruz Island, Young boy photographing Galapagos Giant Tortoise (Geochelone elephantopus).

Bumpy ski slope

Battle Ground, full frame of detectable warning surface