My current dual-monitor wallpaper is a panorama I took on my last camping trip
Mega link for the full size tiff file, I had to greatly reduce the size to be able to upload it to 4chan.
https://mega.co.nz/#!9Y4wBTIT!EU3dkFTCpJO5oYVdSKD8p2X4ERBmdnK70btXJy_8d-4