It’s a special Clock, designed to be a symbol, an icon for long-term thinking. It’s of monumental scale inside a mountain in West Texas. The father of the Clock is Danny Hillis. He’s been thinking about and working on the Clock since 1989. He wanted to build a Clock that ticks once a year, where the century hand advances once every 100 years, and the cuckoo comes out on the millennium. The vision was, and still is, to build a Clock that will keep time for the next 10,000 years…Visiting the Clock will take a commitment. The nearest airport is several hours away by car, and the foot trail to the Clock is rugged, rising almost 2,000 feet above the valley floor.