Fireworks at the end of the winter festival in Oban, Argyll and Bute (© Nick Edgington/Bav Media/Shutterstock)

Aerial view of snowy peaks of Vinicunca (aka Rainbow Mountain), Peru (© Jude Newkirk/Amazing Aerial Agency)

Centennial Bridge towering above Soberanía National Park, Panama (© David Tipling/Universal Images Group via Getty Images)

Aerial view of Penn Station, New York City, USA at night in the 1950s (© R. Gates -Staff/Getty Images)

Ancient beech trees in Harlestone Firs, Northamptonshire (© Andrew Baskott/Alamy)

Red squirrels in Cairngorms National Park, Highlands (© Scotland: The Big Picture/Minden Pictures)

Chocolate Hills in Bohol, Philippines (© Danita Delimont/Offset by Shutterstock)

Cross-section of a fossilised ammonite shell (© Marianna Armata/Getty Images)

Irohazaka road near Nikko, Japan (© LightRecords/Shutterstock)

Forest near the village of Invergarry, Highlands (© Matt Anderson Photography/Getty Images)

A New Breath by artist Saype in Moléson-sur-Gruyères, Switzerland (© Valentin Flauraud/Shutterstock)

The Subway slot canyon in Zion National Park, Utah, USA (© Stan Moniz/Tandem Stills + Motion)

Pen y Garreg dam, Elan Valley, Rhayader (© Joe Daniel Price/Moment Open/Getty Images)

Nohsngithiang Falls in Meghalaya, India (© Upamanyoo Das/Shutterstock)

The Jacobite steam train crossing the Glenfinnan Viaduct in Inverness-shire (© The Escape of Malee/Shutterstock)

Manatee in Florida, USA (© Paul E Tessier/Cavan Images/Offset by Shutterstock)

First Cliff Walk near Grindelwald, Switzerland (© Hans-Georg Eiben/eStock Photo)

Aerial view of El Tajo gorge and the Puente Nuevo bridge in Ronda, Málaga, Spain (© Jude Newkirk/Amazing Aerial Agency)

Spirit Island in Maligne Lake, Jasper National Park, Alberta, Canada (© Jeff Penner/EyeEm/Getty Images)

A field bursting with red poppies, Trowbridge, Wiltshire (© Tim Green/Moment/Getty Images)

Cumberland Island National Seashore, Georgia, USA (© Wilsilver77/iStock/Getty Images Plus)

Ancient rock tombs carved into the cliff near Dalyan, Turkey (© Reinhard Schmid/eStock Photo)

Polar bear investigating camera, Churchill, Manitoba, Canada (© Matthias Breiter/Minden Pictures)

Mack Arch Rock at sunrise, Oregon, USA (© Dennis Frates/Alamy)

Female numbat in Brookton, Western Australia (© Martin Willis/Minden Pictures)

Fireworks exploding over the Great River Ouse, King's Lynn, Norfolk (© Simon Bratt/Shutterstock)

Lanterns illuminated for the Diwali festival, Mumbai, India (© RAMNIKLAL MODI/Shutterstock)

Moon jelly and an aggregation of stingless golden jellyfish, Raja Ampat, West Papua, Indonesia (© Alex Mustard/Minden Pictures)

Marigolds decorate a cemetery in Patzcuaro, Michoacan, Mexico, for a Day of the Dead ceremony (© Daniel Elizalde S/Shutterstock)

Dartmoor's Scorhill Stone Circle under a starry night sky, Devon. (© Matt Stansfield/Getty Images)