Casa del Prado, Balboa Park, San Diego, California (© f11photo/Getty Images)

Sunrise at Ahu Tongariki, Rapa Nui National Park, Easter Island, Chile (© Piriya Photography/Getty Images)

Lighthouse at Point Reyes National Seashore, California (© RMB Images/Photography by Robert Bowman/Getty Images)

Dolphin pod near Réunion, overseas department of France, Indian Ocean (© Joost van Uffelen/Shutterstock)

National September 11 Memorial & Museum, New York City (© Antonino Bartuccio/Sime/eStock Photo)

Vasco da Gama Bridge, Lisbon, Portugal (© Achim Thomae/Getty Images)

Iguazu Falls at the border of Argentina and Brazil (© AirPano LLC/Amazing Aerial Agency)

Interior of the Stockholm Public Library, Sweden (© Andrei Hrabun/Alamy)

Anna’s hummingbird, Santa Cruz, California (© yhelfman/Getty Images)

Ancient beech tree, Glenariff Forest Park, County Antrim, Northern Ireland (© Dawid K Photography/Shutterstock)