From multihued mounts to lush green ridges, these colorful mountains captivate travelers with their vibrant, natural beauty ...

An underwater origami forest? A crystal cavern? Six teams of North Texas high schoolers have built immersive 'fantastical ...

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Choose from a wide selection of royalty-free backgrounds from retro to abstract, seasonal to popular, and desktop to everything else. You're sure to find the perfect background to bring out the blue ...