Centennial Bridge towering above Soberanía National Park, Panama

Aerial view of Penn Station and the New York City skyline at night in the 1950s

Zuni Olla Maidens at the annual Inter-Tribal Ceremonial in Gallup, New Mexico

Red squirrels in Cairngorms National Park, Highlands, Scotland

Chocolate Hills in Bohol, Philippines

Cross-section of a fossilized ammonite shell

Irohazaka road near Nikkō, Japan

Forest near the village of Invergarry, Scotland

'A New Breath' by artist Saype in Moléson-sur-Gruyères, Switzerland

The Subway slot canyon in Zion National Park, Utah

Bohemian Switzerland National Park near Tisá, Czech Republic

Boardwalk Trail at Corkscrew Swamp Sanctuary in Florida