There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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The Gate Tower Building skyscraper in Japan has a highway passing through its fifth, sixth and seventh floors.
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There's a company in China that allows you to hire someone to stand in line for you for $3-$5 an hour.
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Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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There's a woman named Veronica Seider who had vision 20x better than average. She could identify people more than a mile (1.6km) away.
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