Rainbow waves in 'big water'
Iguazu Falls at the border of Argentina and Brazil (© AirPano LLC/Amazing Aerial Agency)

Rainbow waves in 'big water'
Iguazu Falls at the border of Argentina and Brazil (© AirPano LLC/Amazing Aerial Agency)

From skyline to water
Vasco da Gama Bridge, Lisbon, Portugal (© Achim Thomae/Getty Images)

From skyline to water
Vasco da Gama Bridge, Lisbon, Portugal (© Achim Thomae/Getty Images)

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

Have a fin-tastic day
Dolphin pod near Réunion, overseas department of France, Indian Ocean (© Joost van Uffelen/Shutterstock)

Have a fin-tastic day
Dolphin pod near Réunion, overseas department of France, Indian Ocean (© Joost van Uffelen/Shutterstock)

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

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

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

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

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

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

Wallabies on the watch
Wallabies at sunrise, Adelaide River, Northern Territory, Australia (© Jeremy Woodhouse/Getty Images)

Wallabies on the watch
Wallabies at sunrise, Adelaide River, Northern Territory, Australia (© Jeremy Woodhouse/Getty Images)

Lanterns and mooncakes
Mid-Autumn Festival in Gardens by the Bay, Singapore (© Victor Y. Zhuo/Alamy)

Lanterns and mooncakes
Mid-Autumn Festival in Gardens by the Bay, Singapore (© Victor Y. Zhuo/Alamy)

Castle in the clouds
Gujō Hachiman Castle, Gifu prefecture, Japan (© ta2funk ito/500px/Getty Images)

Castle in the clouds
Gujō Hachiman Castle, Gifu prefecture, Japan (© ta2funk ito/500px/Getty Images)

Avast, landlubbers!
Playground at the Obereversand Lighthouse in Dorum-Neufeld, Germany (© INGO WAGNER/DPA/AFP via Getty Images)

Avast, landlubbers!
Playground at the Obereversand Lighthouse in Dorum-Neufeld, Germany (© INGO WAGNER/DPA/AFP via Getty Images)