3,355 Free Photos of Background Image

free landscape photo abstract carol m. highsmith cell contagious cc0 americas public domain awareness

Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

The image of beautiful flower and petals

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Ultrastructural morphology shown by coronavirus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

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Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

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Monument Valley, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Aerial view of New York City, in which the World Trade Center Twin Towers is prominent. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Monument Valley, perhaps the most enduring and definitive images of the American West. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Background Image Backgrounds

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Sunflowers in a Wisconsin field. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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MERS Coronavirus Particles–Colorized scanning electron micrograph of Marburg virus particles (blue) both budding and attached to the surface of infected VERO E6 cells (yellow). Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

Novel Coronavirus SARS-CoV-2
This scanning electron microscope image shows SARS-CoV-2 (round blue objects) emerging from the surface of cells cultured in the lab. SARS-CoV-2, also known as 2019-nCoV, is the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

Novel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2 (round magenta objects) emerging from the surface of cells cultured in the lab. SARS-CoV-2, also known as 2019-nCoV, is the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

underwater science

Idaho scene (1980-2006) by Carol M. Highsmith. Original image from Library of Congress.

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Ultrastructural morphology shown by coronavirus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

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White coronavirus under a Microscope. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

microscope science

LaFayette Park, located directly north of the White House on H Street between 15th and 17th Streets, N.W., Washington, D.C. Original image from Carol M. Highsmith’s America, Library of Congress collection.

Magnified respiratory syndrome coronavirus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

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Colorado Aspens. Original image from Carol M. Highsmith’s America, Library of Congress collection.

California Coastline. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Autumn in New England's Barnet, Vermont. Original image from Carol M. Highsmith’s America, Library of Congress collection.

Flea isolated on white background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Novel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of a VERO E6 cell (blue) heavily infected with SARS-COV-2 virus particles (orange), isolated from a patient sample. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

Photomicrograph of Giemsa stained lung tissue. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria science

Novel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of a VERO E6 cell (blue) heavily infected with SARS-COV-2 virus particles (green), isolated from a patient sample. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

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Novel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of an apoptotic cell (green) infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

underwater blue

Novel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2 (round gold objects) emerging from the surface of cells cultured in the lab. SARS-CoV-2, also known as 2019-nCoV, is the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

Aerial view of Central Park, New York. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Living organisms under a microscopic view. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Photomicrograph of Giemsa stained lung tissue. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria abstract

The Moon's north pole as a mosaic assembled from 18 images taken by NASA's Galileo's imaging system through a green filter as the spacecraft flew by on December 7, 1992.

Reflection of the Washington Monument in the pool at Pool at the National Mall. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Stunning Light Shaft, Arizona Slot Canyon. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Niagara Falls, New York. Original image from Carol M. Highsmith’s America, Library of Congress collection.

landscape travel

A refinery in Pascagoula, Mississippi. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Lifeguard stand at the shore in Old Orchard Beach, Maine. Original image from Carol M. Highsmith’s America, Library of Congress collection.

An image of a bulb of onion in a glass with water

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San Francisco Bay Bridge Lights at Dusk. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Yosemite National Park. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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A 3D illustration provides a graphical representation of a single norovirus virion, set against a white background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

electronics bacteria

A 3D graphical representation of a number of Rotavirus virions, set against a black background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A 3D illustration provides a graphical representation of a single norovirus virion, set against a beige background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria science

Fenway Park and the 'Green Monster,' Boston. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Ultrastructural morphology exhibited by coronaviruses similar to COVID-19 which became pandemic. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

coronavirus background

A 3D graphical representation of a number of norovirus virions, set against a black background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria danger

Statue of Liberty with Ellis Island in the background. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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image of wedding rings in a gift box

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Monument Valley, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Saguaro Cactus near Tucson, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Decatur, Alabama annual Hot Air Balloon Jubilee Festival. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Utah's Zion National Park. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Fontana Dam, North Carolina, Appalachian Trail. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Cat eyes, Hdr image, Hdr background

Yosemite National Park. Original image from Carol M. Highsmith’s America, Library of Congress collection.

landscape nature

Novel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2—also known as 2019-nCoV, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

microscope health

Port of Houston, Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection.

Wind turbines above San Gorgonio Pass, known as Banning Pass, in Riverside County. Original image from Carol M. Highsmith’s America, Library of Congress collection.

landscape sunset

Monument Valley, a Navajo Nation tribal park whose red-sandstone formations on the Colorado Plateau lie mostly in Arizona but also into Utah. Original image from Carol M. Highsmith’s America, Library of Congress collection.

Macro image of red rose

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Right beside a stunning waterfall. Image ID: 148021970

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Image of rings and necklace in a gift box

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Ventilation

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Symmetry

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Camouflage

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Window

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A red fox prowls for voles, hidden beneath the snow, in Yellowstone National Park in the western U.S. state of Wyoming. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Image of spacious bedroom with modern stylish furniture

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Denver International Airport's peaked roof, outside Denver, Colorado, designed by Fentress Bradburn Architects.Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by rawpixel

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Image of the branch ivy on a white background

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Pacific Coast Highway Scenic. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Novel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2 (yellow)—also known as 2019-nCoV, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

Utah's Zion National Park. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Rocks And Stones

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Blinds

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Rectangles

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Orange Texture

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Colors Painting

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3D print of a spike protein on the surface of SARS-CoV-2—also known as 2019-nCoV, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

contamination cell

Rough Texture

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Monolith

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Drops Window

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Army Stuff

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Glass And Shells

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Sunflower

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Subway Ceiling

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Coffee Cup On White Background

Drops On Wood

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Big Eyes

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Snow Texture

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Drywall Texture

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Blue Dye

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Columbia River. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Dusk shot of an industrial scene along the road from Port Arthur to Sabine Pass, Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Prince William Sound is a sound of the Gulf of Alaska on the south coast of the U.S. state of Alaska. Original image from Carol M. Highsmith’s America, Library of Congress collection.

landscape winter

Badlands National Park, in southwest South Dakota, United States. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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Architectural art "Lightfall" at building entrance to William J. Nealon Federal Building, Scranton, Pennsylvania. Original image from Carol M. Highsmith’s America, Library of Congress collection.

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