Rainbow over Wasson Peak, Saguaro National Park, Arizona, United States (© Frank Staub/Getty Images)

National Cherry Blossom Festival, Washington, DC, United States (© f11photo/Getty Images)

2021 Grand National at Aintree Racecourse, Liverpool, England (© Alan Crowhurst/PA Images/Getty Images)

Gaztelugatxe islet, Basque Country, Spain (© Eloi_Omella/Getty Images)

North American beaver, Moran, Wyoming, United States (© Enrique Aguirre Aves/Getty Images)

Women in traditional dress at the Paro Tshechu Festival in Bhutan (© Richard I'Anson/Getty Images)

Blue hour in Naxos, Cyclades, Greece (© Sizun Eye/Getty Images)

Wales Millennium Centre, Cardiff, Wales (© Billy Stock/Collection Mix/Getty Images)

Tulips, Netherlands (© 1111IESPDJ/Getty Images)

View from the cupola of the International Space Station above the South Pacific Ocean (© NASA)

Wat Tang Sai Temple in Ban Krut, Thailand (© Ratnakorn Piyasirisorost/Getty Images)

Atlantic spotted dolphins near Santa Maria Island, Azores, Portugal (© Jordi Chias/Minden Pictures)

Beach art on Sauveterre Beach by Zarpo, Les Sables-d'Olonne, Vendee, France (© Hemis/Alamy Stock Photo)

Kachina Bridge, Natural Bridges National Monument, Utah, United States (© Alan Majchrowicz/Getty Images)

Andean cocks-of-the-rock, Ecuador (© Kit Day/Alamy Stock Photo)

Hot air balloons over Göreme Historical National Park in Cappadocia, Türkiye (© Anton Petrus/Getty Images)

Zion National Park, Utah, United States (© Simon Dannhauer/Getty Images)