Wild Wonders of Europe / Geslin / Monk parakeets (Myiopsitta monachus) at fountain in the Vatican garden, Rome, Italy

Yva Momatiuk & John Eastcott / Great Fountain Geyser erupting, Yellowstone National Park, Wyoming

Juan Manuel Borrero / Water fountain. Sao Miguel Island, Azores, Portugal. 2019.

Jeff Vanuga / Bison (Bison bison), two crossing the Firehole River, Fountain Flat, Lower geyser basin, Yellowstone National Park, Wyoming. September.

Shane P. White / Water fountain and skyscrapers, Kuala Lumpur, Malaysia

Oliver Hellowell / Bubbling water in fountain at Tretower Court, near Crickhowell, Powys, Wales, UK. July

Doug Perrine / Lava from Kilauea Volcano erupts from fissures in Kapoho, shooting glowing lava bombs hundreds of meters into the sky and releasing clouds of poisonous gases. Puna District, near Pahoa, Hawaii. June 2...

Doug Perrine / Lava from Kilauea Volcano erupts from a fissure in Kapoho, Puna District, near Pahoa, Hawaii. June 2018.

Kirkendall-Spring / Great Fountain Geyser on Firehole Lake Drive, Yellowstone National Park, Wyoming, USA. September 2015.

Jeff Vanuga / Great Fountain Geyser eruption. Upper Geyser Basin of Yellowstone National Park, Wyoming, USA, June 2015.

Jeff Vanuga / White Dome Geyser erupting in winter in Fountain Flats. Lower Geyser Basin, Yellowstone National Park, Wyoming, USA, January 2015.

Hanne & Jens Eriksen / Fountain in park, Jebel Hafeet, UAE.