How tall: 120 meters (about 393.7 feet) The Zhengzhou Ferris Wheel was China's first almost-400-foot-high wheel. Since its debut in 2003, several more giants have risen to match its height in the sky.

When George W. Ferris constructed the world's first Ferris wheel for the 1893 World's Columbian Exposition held in Chicago, he started a trend (and in a sense, he also helped usher in the modern ...