Photo of the Day

Picture of three people standing in a cave with snow on the ground and icicles on the ceiling
August 1, 2021

Ice Cave

The August 1921 issue featured a story called "The Wild Life of Lake Superior, Past and Present." Here, people explore a sandstone cave near what is now known as Pictured Rocks National Lakeshore.
Photograph by George Shiras, Nat Geo Image Collection

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