Polar bear investigating a camera, Churchill, Manitoba, Canada

Mack Arch Rock at sunrise on the southern Oregon coast

Female numbat in Brookton, Western Australia

Pont Rouge (Red Bridge) over the Palmer River in Sainte-Agathe-de-Lotbinière, Quebec, Canada

Lanterns illuminated for the Diwali festival, Mumbai, India

Moon jelly and golden jellyfish, Raja Ampat, West Papua, Indonesia

Marigolds decorate a cemetery in Patzcuaro, Michoacan, Mexico, for a Day of the Dead ceremony

The sculpture 'Kindred Spirits' by Alex Pentek in Bailick Park, Midleton, County Cork, Ireland

Grotesques at York Minster, North Yorkshire, England

Misty pine forest in the Central Highlands of Vietnam

Ravens in Juneau, Alaska

Necropolis near Dargavs, North Ossetia, Russia

A pumpkin patch in Newton, Massachusetts

Red fox in the Black Forest of Germany

Dyavolski Most (Devil's Bridge) over the Arda River in Bulgaria

Bavljenac Island, Croatia

Eurasian scops owl in Bohemian Switzerland National Park, Czech Republic

Comet NEOWISE streaks across the sky over Sunwapta Lake in Jasper National Park, Alberta, Canada

Bald cypress and Spanish moss in the Atchafalaya Basin, Louisiana

Brown-throated three-toed sloth in Manuel Antonio National Park, Costa Rica