Taking photos from an airplane window seat usually results in banal or just bad (hazy, blurry) pictures. Here are some remarkable exceptions to that rule (in French with credits and links).
Wiki Loves Monuments: "World's largest photo contest" seeks to create a visual record of world monuments and historic sites on the Wikimedia Commons. The USA version focuses on sites listed on the National Register of Historic Places. Canadian version here. If you don't see your country among the 30 participating so far, you can volunteer!
The Titanic Guide to New York City. An exploration of traces of the disaster, revealing history still written on the landscape.
Reddit's r/EarthPorn is the largest of the SFW Porn Network, dedicated to large, hi-res photos. [more inside]
Great photographers: Clark Little (surf photography), Nick Brandt (mostly African wildlife), John Hyde (mostly wildlife and Alaska), Veronika Pinke (landscapes), Dale Allman (miscellaneous; particularly beautiful are his Australian cityscapes and the HDR/DRI photos), Ansel Adams (the undisputed master of nature photography who died in 1984; famous quotes: "You don't take a photograph, you make it.", "A true photograph need not be explained, nor can it be contained in words. "), Michel Rajkovic (mostly marine landscape, exclusively in black and white). And again, as a tribute to a gifted artist who died far too early, the work of Bobby Model (adventure photographer). Last but not least: Onexposure, probably the biggest collection of quality photography on the net.
Like to faire une photo? You're not alone. The inimitable (but perhaps for not much longer) National Geographic magazine has advice for taking portraits, travel photography, landscapes, excitingly vague 'adventure' photos and even plan old digital photography. After you've created magic how about selling it or getting published? Sharing is so 2007.