Canyonlands National Park

Photo: Krasimir Ganchev/500px

Who needs a photo frame when you have nature?

Witness the picture-perfect beauty of the Earth through cave mouths, oak trees, coral reefs and stone arches, including the one above taken in Canyonlands National Park near Moab, Utah.

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Tam Coc in Vietnam

Photo: Khoroshunova Olga/Shutterstock

Tam Coc Bich Dong, Ninh Binh, Vietnam

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Grotto in Olkhon Island

Photo: Katvic/Shutterstock

Ice cave in Olkhon Island, Lake Baikal, Russia

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Kalymnos Island, Greece

Photo: Photobac/Shutterstock

Rock climbing in Kalymnos Island, Greece

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Ukraine's Tunnel of Love

Photo: Verkhovynets Taras/Shutterstock

Tunnel of Love in Klevan, Ukraine

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Algarve sea caves in Portugal

Photo: S.Gruene/Shutterstock

Sea cave in Algarve, Portugal

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Iceberg arch in Greenland

Photo: Henri Vandelanotte/Shutterstock

Iceberg arch in Greenland

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Phraya Nakhon in Thailand

Photo: Bule Sky Studio/Shutterstock

Phraya Nakhon Cave in Khao Sam Roi Yot National Park, Vietnam

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Arch formation on beach in Morocco

Photo: silver-john/Shutterstock

Red arch in Legzira Beach, Morocco

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Live oaks in Charleston, South Carolina

Photo: Dave Allen/Shutterstock

Live oaks in Charleston, S.C.

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Stars in Arches National Park

Photo: Paul Langereis/Shutterstock

Delicate Arch in Arches National Park, Utah

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Red Sea coral reefs in Egypt

Photo: Paul Vinten/Shutterstock

Red Sea coral reef in Egypt

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Cave in Dolomites, Italy

Photo: Michele Alfieri/Shutterstock

Man-made cave in Dolomites, Italy

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Arch in Canyonlands National Park

Photo: Cody Wellons

Mesa Arch in Canyonlands National Park, Utah

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Glacial cave in Mount Hood

Photo: Andy Best/500px

Glacial cave in Mount Hood, Oregon

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Zakinthos Island sea caves

Photo: Andrey Grinyov/Shutterstock

Sea caves in Zakinthos Island, Greece

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Arches National Park

Photo: Darren J. Bradley/Shutterstock

The Double Arch in Arches National Park, Utah

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Tham Lod cave in Thailand

Photo: Drew Hopper/500px

Tham Lot in Mae Hong Son, Thailand

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Sea arch in Gozo Island, Malta

Photo: Rob Wilson/Shutterstock

Azure Window, Gozo Island, Malta

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Catie Leary is a photo editor at Mother Nature Network. Follow her on Twitter and Google+.