The Guinness World Records has an award for the steepest road in the world, and Baldwin Street of New Zealand is the current title holder. Often, if a city boasts one of the top sloping streets ...
Maybe that's because it's also one of the world's steepest roads, chiseled into the mountain by local villagers. The Guoliang Tunnel is located in the Taihang Mountains in China's Henan Province ...