Spring equinox
Skagit Valley Tulip Festival
Castle Day Japan
Seattle, Washington, United States
World Theatre Day
Papagayo Beach, Lanzarote, Canary Islands, Spain
Wildflower bloom, Central Valley, California, United States
Short-beaked echidna, Adelaide Hills, Australia
African buffalo, Ngorongoro Crater, Tanzania
Easter Sunday
International Dark Sky Week
International Day of Forests
Logan Creek Suspension Bridge, West Coast Trail, Canada
International Bat Appreciation Day
Earth Day
Pink apple blossoms, Avila Beach, California, United States
World Heritage Day
International Day of Human Space Flight
Common clownfish, Raja Ampat Islands, Indonesia
Spectacled bear resting in tree, Ecuador
Thunderstorm above the plains, Bulgaria
World Penguin Day
Belém Tower, Lisbon, Portugal
Keukenhof Gardens, Lisse, Netherlands
The glass dome of Galleria Vittorio Emanuele II, Milan, Italy
Bing Wallpaper Gallery