High tides and bright lights
South Stack Lighthouse at sunset, Holy Island, Wales (© mariotlr/Getty Images)

High tides and bright lights
South Stack Lighthouse at sunset, Holy Island, Wales (© mariotlr/Getty Images)

Hello from the upside-down!
Brown-throated three-toed sloth sleeping in cecropia tree, Costa Rica (© Juan Carlos Vindas/Getty Images)

Hello from the upside-down!
Brown-throated three-toed sloth sleeping in cecropia tree, Costa Rica (© Juan Carlos Vindas/Getty Images)

Egg-cellent craftmanship
Easter eggs painted by Tünde Csuhaj, Szekszárd, Hungary (© ATTILA KISBENEDEK/AFP/Getty Images)

Egg-cellent craftmanship
Easter eggs painted by Tünde Csuhaj, Szekszárd, Hungary (© ATTILA KISBENEDEK/AFP/Getty Images)

Don't believe your eyes
'Vanishing Point' by French street artist JR on the facade of Palazzo Farnese, Rome, Italy (© Fabrizio Troiani/Alamy)

Don't believe your eyes
'Vanishing Point' by French street artist JR on the facade of Palazzo Farnese, Rome, Italy (© Fabrizio Troiani/Alamy)

Beneath a ray of light
Beech trees and wild anemones, Jutland, Denmark (© Nick Brundle Photography/Getty Images)

Beneath a ray of light
Beech trees and wild anemones, Jutland, Denmark (© Nick Brundle Photography/Getty Images)

Wish hue were here
A rainbow in At-Bashy District , Kakshaal Too Mountains, Naryn Province, Kyrgyzstan (© Emad aljumah/Getty Images)

Wish hue were here
A rainbow in At-Bashy District , Kakshaal Too Mountains, Naryn Province, Kyrgyzstan (© Emad aljumah/Getty Images)

Wanderers of the wetlands
Red lechwe herd crossing marshy plain of Okavango Delta, Botswana (© Ibrahim Suha Derbent/Getty Images)

Wanderers of the wetlands
Red lechwe herd crossing marshy plain of Okavango Delta, Botswana (© Ibrahim Suha Derbent/Getty Images)

A dive into the blue
The Bahamas photographed from the International Space Station (© NASA)

A dive into the blue
The Bahamas photographed from the International Space Station (© NASA)

A royal view
Himeji Castle, Himeji, Hyōgo Prefecture, Japan (© Julian Elliott Photography/Getty Images)

A royal view
Himeji Castle, Himeji, Hyōgo Prefecture, Japan (© Julian Elliott Photography/Getty Images)

Look, I'm a branch manager!
North American beaver in a pond near Wonder Lake, Denali National Park, Alaska (© Paul Souders/Getty Images)

Look, I'm a branch manager!
North American beaver in a pond near Wonder Lake, Denali National Park, Alaska (© Paul Souders/Getty Images)

Enter the eclipse
Total solar eclipse photographed from Madras, Oregon on August 21, 2017 (© NASA/Aubrey Gemignani)