From the humble house cat to the pointy-eared lynx.

DESIGN
Charles-Joseph Minard's map of Napoleon's invasion of Russia has been called the best statistical graphic ever created.
The clocks were invented during The Great Depression to bring joy to families across America.
Some trace inverted trees—which are popping up in malls, retails stores, and homes across the country this holiday season—back to medieval tradition. But what's the real story?