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Every month, National Geographic staff photographer Mark Thiessen answers your photography questions—and spills the secrets behind the shots.
View exquisite photos of Earth from Photo of the Day images, featuring spectacular sandstone formations, riveting mountain landscapes, and more.
Celebrate the start of spring with the best images of flowers in bloom from Photo of the Day, featuring lavender fields, poppy blooms, wildflowers, and more.
Find unusual vacation spots and journey through Mexico.
Take a tour of the world's quirkiest signs.
When making environmental portraits, take the time to find out what your subjects really care about and have them show it to you.
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