Colorado in full color
Aspens in the White River National Forest, Colorado (© Jason Hatfield/Tandem Stills + Motion)

Rolling into fall
Kochia, Ibaraki prefecture, Japan (© DigiPub/Getty Images)

Rolling into fall
Kochia, Ibaraki prefecture, Japan (© DigiPub/Getty Images)

Celebrate the Celts
Cape Breton Highlands, Nova Scotia, Canada (© Cavan Images/Alamy)

Celebrate the Celts
Cape Breton Highlands, Nova Scotia, Canada (© Cavan Images/Alamy)

It's time to wing it!
Wood duck, Quebec, Canada (© Maxime Riendeau/Getty Images)

It's time to wing it!
Wood duck, Quebec, Canada (© Maxime Riendeau/Getty Images)

The splendor of Seville
Courtyard of the Maidens, Alcázar of Seville, Spain (© Danny Lehman/Getty Images)

The splendor of Seville
Courtyard of the Maidens, Alcázar of Seville, Spain (© Danny Lehman/Getty Images)

Honoring Indigenous Peoples
Ancestral Pueblo granaries at Nankoweap, Grand Canyon National Park, Arizona (© Andrew Peacock/Tandem Stills + Motion)

Honoring Indigenous Peoples
Ancestral Pueblo granaries at Nankoweap, Grand Canyon National Park, Arizona (© Andrew Peacock/Tandem Stills + Motion)

The race for life
Great wildebeest migration at Mara River, Kenya (© Ayzenstayn/Getty Images)

The race for life
Great wildebeest migration at Mara River, Kenya (© Ayzenstayn/Getty Images)

Unearthing the past
Fossils of belemnites and ammonites, Jurassic Coast, Dorset, England (© Nature Picture Library/Alamy)

Unearthing the past
Fossils of belemnites and ammonites, Jurassic Coast, Dorset, England (© Nature Picture Library/Alamy)

Astronauts, grab your skis!
Frost-covered dunes on the surface of Mars (© NASA/JPL-Caltech/UArizona)

Astronauts, grab your skis!
Frost-covered dunes on the surface of Mars (© NASA/JPL-Caltech/UArizona)

Falling for Central Park
Autumn in Central Park, Manhattan, New York (© mapman/Shutterstock)

Falling for Central Park
Autumn in Central Park, Manhattan, New York (© mapman/Shutterstock)

Uncovering the past
Temple of Hathor, Dendera Temple Complex, Qena, Egypt (© Nick Brundle Photography/Getty Images)

Uncovering the past
Temple of Hathor, Dendera Temple Complex, Qena, Egypt (© Nick Brundle Photography/Getty Images)