Fog over Spray Park in Mount Rainier National Park with Glacier Peak in the background, Washington, U.S.A. (@ Stephen Matera)

Fog over Spray Park in Mount Rainier National Park with Glacier Peak in the background, Washington, U.S.A. (@ Stephen Matera)

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Cypress trees at Trussum Pond, Delaware, U.S.A. (@ David Muench/Stone/Getty Images)

Cypress trees at Trussum Pond, Delaware, U.S.A. (@ David Muench/Stone/Getty Images)

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Young caracal in a wildlife sanctuary near Windhoek, Namibia (@ Ignacio Palacios/Lonely Planet)

Young caracal in a wildlife sanctuary near Windhoek, Namibia (@ Ignacio Palacios/Lonely Planet)

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A family of koalas with a little joey (@ Paco Alcantara/Getty Images)

A family of koalas with a little joey (@ Paco Alcantara/Getty Images)

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Close-up of a sea fan off Raja Ampat Islands, West Papua, Indonesia (@ Matthew Oldfield Underwater Photography/Alamy)

Close-up of a sea fan off Raja Ampat Islands, West Papua, Indonesia (@ Matthew Oldfield Underwater Photography/Alamy)

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St. Finbarr's Oratory at Gougane Barra Lake, Ireland (@ Trish Punch/Lonely Planet)

St. Finbarr's Oratory at Gougane Barra Lake, Ireland (@ Trish Punch/Lonely Planet)

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Olive trees reflected in the waters of Barragem de Alqueva (Alqueva Lake) near Alqueva, Portugal (@ Paul Bernhardt/Lonely Planet)

Olive trees reflected in the waters of Barragem de Alqueva (Alqueva Lake) near Alqueva, Portugal (@ Paul Bernhardt/Lonely Planet)

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