At Mount Congreve, Mr. Curran checked on the most valuable clock in the collection, an elaborate five-foot-tall cuckoo that he had unwrapped earlier and was sitting on the floor.

The 500-foot-tall clock will sit in the Sierra Diablo Mountain Range in West Texas, about 200 kilometers east of El Paso, and “keep time for the next 10,000 years,” according a blog post ...

'The Cuckoo Comes Out Every Thousand Years': Jeff Bezos Spent $42 Million On A 10,000-Year Clock —But Says United States 'Won't Exist' For That Long by Jeannine Mancini Benzinga Staff Writer Follow ...