Tour de France cyclists crossing the Pont du Gard, France (© Gonzalo Fuentes/Reuters)

Brown bear mother and cub, Lake Clark National Park and Preserve, Alaska (© Carlos Carreno/Getty Images)

Banyak Islands, Sumatra, Indonesia (© fbxx/Getty Images)

Rainbow flags and confetti, Reykjavík, Iceland (© Arctic-Images/Getty Images)

Sedona, Arizona (© Jonathan Ross/Getty Images)

Château de Villandry and its garden, Loire Valley, France (© VLADJ55/Shutterstock)

Al-Khazneh (the Treasury), Petra, Jordan (© WitthayaP/Shutterstock)

Nha Phu Bay, Nha Trang, Vietnam (© Thang Tat Nguyen/Getty Images)

Monarch butterflies feeding from wildflowers (© bookguy/Getty Images)

Amazon rainforest, Peru (© Rhett Ayers Butler/Getty Images)