Weekend Links: Marvelously Unexplained Black & White Photos

First off: check out these unbelievable photos of some vintage daredevils doing the craziest of stunts.
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For those interested in the rise (and fall?) of the American newspaper, plus the question "Did the West Make Newspapers, or Did Newspapers Make the West?" this historical essay and interactive map should be right up your alley! (but who doesn't love interactive maps?)
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A Dialogue With Sarah, Aged 3: In Which It Is Shown That If Your Dad Is A Chemistry Professor, Asking “Why” Can Be Dangerous.
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50 marvelously unexplained black & white photos (though some ARE explained down in the comments, and some you can guess).
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We've all seen it around our own neighborhoods, but here's a collection of some of the best sarcastic graffiti to well-meaning signs.
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Try to work out some of these kid brainteasers … that went right over my head! My brain apparently does not work in that direction ...
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I didn't get through all 99 rooms of exploration, but if you did let me know!
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Jazz up your dinner table with one of these 12 unusual salt and pepper shakers.
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A big thanks to everyone who sent in links this week, particularly Holly! Don't stop now - send all your submissions and internet finds to FlossyLinks@gmail.com. Oh and here's a parting gift: a mini-vacay.