The richest street in the world. It is located on the west side of the Limat River in Zurich, Switzerland, and is 1 . 4 km long. The street was built in 15 BC during Roman rule, and the Romans built the city on the shore of Lake Zurich, and it began to develop into a thriving commercial center, becoming one of the most expensive streets in the world. It is also known as Fifth Avenue in New York. Along the street you can find Switzerland's most upscale shops, with everything from top fashion designers to upscale options such as shoes, fur, jewelry, porcelain and jewelry, and, of course, Swiss watches.