Circus Maximus
The numbers are staggering: China spent $40 billion to host the 2008 Summer Olympic Games in Beijing and Russia spent $50 billion for the 2014 Sochi Winter Games. Brazil's total expenditures are thought to have been as much as $20 billion for the World Cup this summer and Qatar, which will be the site of the 2022 World Cup, is estimating that it will spend $200 billion.