Hartsfield–Jackson International Airport in Atlanta, Georgia is the busiest airport in the world - both by total passengers and number of flights. In 2012, ATL accommodated 95 million passengers (more than 260,000 daily) and 950,119 flights.
Located in China’s resource-rich but moisture-poor Xinjiang region, the Taklimakan Desert is a dismal location for agricultural activity. However, the sandy landscape is incredibly rich with potash. This form of potassium salt provides a major nutrient required for plant growth, making it a key ingredient in fertilizer. The salt is farmed in massive solar ponds that vibrantly extend across the landscape for more than 13 miles.
The Montreal Biosphere is an environmental museum that was initially constructed as the United States Pavilion for the 1967 World's Fair. The structure - a geodesic dome - was designed by Buckminster Fuller and used a complex system of shades to control its internal temperature.
The Saint Helen's Island Aquatic Complex, now open to the public, was built for the 2005 swimming world championship.