That Escher guy is really sneaky - here's a neat infinite loop clip of his Print Gallery illustration, showing a picture within a picture within a picture effect (or Droste Effect). Link
James Nachtwey's photos, in a series titled Witness, dramatically captured the anguish and devastation of war, famine, and diseases. Highly recommended. Link
Lizard Man, a retired park ranger in Maboto Hills, Zimbabwe, can command lizards like dogs. On his command, little lizards will appear, jump onto his hands, and so on. http://www.grand-illusions.com/lizard.htm
This is Europe's largest water bridge over the Elbe River connects the former East and West Germany, as part of the unification project. This (nearly) 1 km long, 500 million € "concrete bathtub" enables river barges to cross when the river's water mark drops. (Thanks Kandra!)
Adrian Ocneanu, professor mathematics at Penn State, designed this sculpture that mathematically presents a 3-dimensional "shadow" of a 4-dimensional object. Link (via Chapel Perilous)
