A small group of Russian tourists climbed the guarded pyramid in the shelter of the night and took some impressive shots of the surrounding desert and outskirts of Cairo.
You certainly don't see these kind of images every day, from tick close up, x-ray of a bat, to a high-tech micrograph of a zebrafish embryo. Check out some of the best images of the year.
Prepare to be dazzled. Spectacular timelapse video created from the pictures taken by the astronauts who worked on the International Space Station in the last 11 years.
