Big Bus Tours is the largest operating bus tour business in the world. Big Bus Tours offers tours in 18 cities across three continents. Tours from this company’s open-aired busses are special because the drivers know their town and are happy to show it off to visitors. Use discount promo codes and coupons to get great deals on tours in the city of your choice. Big Bus Tours in the United States are offered in Las Vegas, Chicago, Miami, and New York. Tours of Philadelphia, San Francisco, and Washington, D.C., are also available. In Europe, the most popular bus tours take visitors around London or Paris. Tours can also be arranged in the Asia Pacific and the Middle East. Tours around major cities by Big Bus Tours are unique because of the drivers the company hires. Drivers give great commentary and allow passengers to get on and off the bus for walking tours. Some tours include rides on the company’s bus as well as one of their boats.