Photo of the Day

a climber in an ice cave in Antarctica
October 21, 2012

Warren Cave, Antarctica

This Month in Photo of the Day: National Geographic Magazine Features

A mix of ropes and ladders eases access to Warren Cave, a labyrinth of passages melted from the ice by the volcano's heat. Small currents of air probably cause the scalloping around the cave's entrance.

See more pictures from the July 2012 feature story "Mount Erebus."


See pictures of Antarctica landscapes »
See pictures of volcanoes in action »

Photograph by Carsten Peter, National Geographic

Go Further

Subscriber Exclusive Content

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history