Photo of the Day

Interior picture of an ice cave near the Mutnovsky volcano, Kamchatka Peninsula, Russia
October 5, 2014

Under Thin Ice

On Russia’s Kamchatka Peninsula, fire and ice meet to form an otherworldly underground. Located on a slope of the peninsula’s Mutnovsky volcano, the cave’s stream is fed by volcanic hot springs. Sunlight filters through thinning glacial ice above...

Photograph by Sergey Krasnoshchokov, National Geographic Your Shot