This summary provides an overview of 3 satellite images described in the document:
1) An IKONOS satellite image from July 2004 shows Palm Island in Dubai, a man-made island being built from dredged materials. It will contain residences, parks, and other amenities once complete.
2) A QuickBird image from February 2002 depicts the Great Pyramid of Giza in Egypt, estimated to have been built in 2650 BC as a tomb for Pharaoh Khufu. It originally stood 145 meters tall but has lost about 10 meters over millennia.
3) An image from August 2004 captures Niagara Falls, where most of the Niagara River's water plun