My wife and I went to Amarillo last year with our daughter and, while driving around town, came across this odd... historical(?) site. It had a nearby metal plaque on a stone slab that read (as close to its format that I can render):

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In 1819 while on their horseback trek over the great plains of New Spain, Percy Bysshe Shelley and his wife, Mary Wollstonecraft (author of "Frankenstein"), came across these ruins. Here Shelley penned these immortal lines:
                     "Ozymandias
I met a traveller from an antique land who said: 'Two vast and trunkless legs of   stone stand in the desert. Near them, on the   sand, half sunk, a shattered visage* lies, whose   frown, and wrinkled lip, and sneer of cold com-   mand, tell that its sculptor well those passions   read which yet survive, stamped on these life-   less things, the hand that mocked them and the heart   that fed. And on the pedestal these words appear- "My name is Ozymandias, King of Kings: look on my works, ye mighty, and de-   spair!" Nothing beside remains. Round the de-   cay of that colossal wreck, boundless and bare the lone and level sands stretch far away.'"                                                        (1819)   *The visage (or face) was damaged by students from Lubbock after losing to Amarillo in a competition. A stone cast of it will be replaced when it is ready. The original is on display now in the Amarillo Museum of Natural History. Souvenir hunters have scraped off the bottom of the pedestal, but archaeologists have determined it was as Shelley described it.

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I can't honestly tell if this is a real historical site or some elaborate hoax. We didn't get to see the original in the museum (if it's there) and the whole thing just seems out of place. [EDIT: I did some searching and found that this sculpture was inspired by the above poem and commisioned by the eccentric Texas millionaire Stanley Marsh 3 (apparently he uses the numeral 3 instead of the Roman III, as the latter is "too pretentious"), builder of the Cadillac Ranch just outside Amarillo. It seems he's responsible for much kookiness in that area.]