Here are a few links I enjoyed recently.
First up, Aztec whistles. This guy reproduces them, and the sound (click on Slideshow) is truly creepy. In fact, it's scary.
Aztec Whistles of Death
Weddings are strange things. This lively article reveals a few surprises.
Bizarre Origins of Wedding Traditions
Finally, the web before the web. This manual, cross-indexed information system was, in my opinion, far more impressive than today's world wide web.
The Mundaneum Museum