The setting sun glints off the Amazon River and numerous lakes in its floodplain in this astronaut photograph from August 19, 2008. About 150 kilometers of the Amazon is shown here, about 1,000 kilometers inland from the Atlantic Ocean. This image was acquired on August 19, 2008 by the by the Expedition 17 crew of the International Space Station. (NASA/JSC)
More breathtaking images at the link. I NEVER get tired of this sort of stuff. Ever.