1. This is what happens when you let random people lead an orchestra: Hope this video makes you smile too :)
2. Digital Archives: A Visual History: Click the slideshow to see some amazing pictures of school trip to the Met from the early 1900's.
3. A History of Photography in 12 Photographs: "From its humble invention in the hands of scientists, through its long fight to achieve the status of “fine art”, to its current proliferation via the cameras of mobile phones, the two-century rise of photography has been nothing short of meteoric."
4. Any Animal That Touches This Lethal Lake Turns to Stone: I didn't believe it either... freaky freaky.