Popular Science linked to this amazing video. Taken at the European Southern Observatory (ESO), located at the top of a mountain in Chile's Atacama Desert, these are some of the coolest time-lapse pictures I have seen of stars in the night sky. The four telescopes are part of a stellar observatory; they work together to achieve a resolving power much greater than any of the individual telescopes. From the ESO website:

The Very Large Telescope array (VLT) is the flagship facility for European ground-based astronomy at the beginning of the third Millennium. It is the world's most advanced optical instrument, consisting of four Unit Telescopes with main mirrors of 8.2m diameter and four movable 1.8m diameter Auxiliary Telescopes. The telescopes can work together, in groups of two or three, to form a giant 'interferometer', the ESO Very Large Telescope Interferometer, allowing astronomers to see details up to 25 times finer than with the individual telescopes. The light beams are combined in the VLTI using a complex system of mirrors in underground tunnels where the light paths must be kept equal to distances less than 1/1000 mm over a hundred metres. With this kind of precision the VLTI can reconstruct images with an angular resolution of milliarcseconds, equivalent to distinguishing the two headlights of a car at the distance of the Moon.

My favourite part of the video is when one of the telescopes shoots a laser up into the night sky. As an aside, this is where parts of the last James Bond movie, A Quantum of Solace, was filmed.

The ESO has a Youtube channel with a number of excellent videos describing various aspects about how the observatory works.

Here is another time lapse I found filmed entirely with a fisheye lens at the Paranal Observatory also located in Chile.