The 15 Most Unforgettable Travel Experiences

5. Guoliang Tunnel Road

Located in Huixian, Xinxiang, Henan Province of China, this 16-feet-high and 13-feet-wide mountain road was constructed by 13 local villagers in the 1970s. Literally translated as “Road that tolerates no mistake,” it is one of the most dangerous roads in the world.