From tourist attraction to monkey infestation
To lure tourists, the Chinese village of Xianfeng wanted to get monkeys to the village. When the monkeys came, it all seemed to go well. However, the project got completely out of hand when the investor died. There were no more financial resources to manage the plan and maintain the monkeys.
Experiment with music-making road stopped after one day
If a motorist drove the permitted speed on the N357 in Friesland, the Frisian National Anthem would be played at the correct speed. Unfortunately, the experiment was stopped after one day. Motorists drove extra fast to see how fast the music could be played. In addition, local residents heard all sorts of noises mixed up; the road not only caused dangerous situations, but also inconvenience.