Educator Ruth Mork teaches kids about clocks — from sundials to cuckoo clocks to roosters. Ruth Mork introduces clocks of all kinds — sundials, candle clocks, hourglasses, cuckoos, even a rooster! She ...

In the Black Forest town of Triberg, visitors can marvel at a genuine world record holder: the largest cuckoo clock on the planet. Its dimensions are so enormous that you can actually step inside it.