‘United We Stand’ sculpture by Charles McGee, Charles H. Wright Museum of African American History, Detroit, Michigan (© Jim West/Alamy)

Almond trees in full bloom, California (© Jeffrey Lewis/Tandem Stills + Motion)

Haghartsin Monastery, Dilijan National Park, Armenia (© Alexey Kharitonov/Shutterstock)

Bathing boxes at Brighton Beach, Melbourne, Victoria, Australia (© Prasit photo/Getty Images)

Firefall at Horsetail Fall, Yosemite National Park, California (© Gregory B Cuvelier/Shutterstock)

Kinder Scout at sunrise, Peak District National Park, England (© john finney photography/Getty Images)

Lincoln Memorial, Washington, DC (© Steve Whiston/Fallen Log Photography/Getty Images)

Sperm whale pod surfacing, Dominica (© Franco Banfi/Minden Pictures)

The Alvin Ailey American Dance Theater rehearsing ‘Uptown,’ 2009, New York (© STAN HONDA/AFP via Getty Images)

Female pyrrhuloxia perched on cactus plant, Texas (© outtakes/Getty Images)