...men's 200-meter final during the athletics competitions in the National Stadium at the Beijing 2008 Olympics in Beijing. Bolt has won the IAAF World Athlete of the Year award. Bolt holds the olympic...

Chicago 2016 supporters react during the announcement from the 121st International Olympic Committee on the host city for the 2016 Summer Olympic Games in Chicago, Friday, Oct. 2, 2009...

1976 Olympic ticket

...in Rio de Janeiro, Brazil as it is officially announced that their hometown will stage the 2016 Olympic Games, October 2, 2009. Rio de Janeiro's dream of bringing the Olympics to South America for...

International Olympic Committee (IOC) President Jacques Rogge shows the card containing the name of the winning city, Rio de...

The Parthenon on the Acropolis hill during the Athens 2004 Olympic Games in Athens, Greece on August 14, 2004. (Photo by Heikki Saukkomaa/WireImage) *** Local Caption

Three-time Olympic Gold Medalist Jackie Joyner-Kersee, left, applauds with fellow former Olympians at the unveiling of the official...

...meter freestyle relay final during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics in Beijing, Monday, Aug. 11, 2008

Jason Lezak, US Olympic gold-medalist swimmer is seen during a meeting with Nir Barkat, the mayor of Jerusalem prior to...

...Taiwan during a preliminary match for the men's taekwondo -68 kilogram class at the Beijing 2008 Olympics in Beijing, Thursday, Aug. 21, 2008

...16 held at the Beijing Science and Technology University Gymnasium during Day 13 of the Beijing 2008 Olympic Games on August 21, 2008 in Beijing, China

...freestyle relay accept congratulations from fans gathered for the awards presentations July 31, 1984 at the Summer Olympics in Los Angeles. The team members are: Mike Heath, David Larson, Jeff Float and Bruce Hayes. (AP...

On-field festivities during Opening Ceremonies at L.A. Memorial Coliseum during 1984 Olympic Games in Los Angeles. (Photo by On-field festivities during Opening Ceremonies at L.A. Memorial Coliseum...

...Decker falls to the side of the track midway through the race as other runners in the Olympic women's 3,000-meter run past on Friday, Aug. 10, 1984 at Los Angeles Memorial Coliseum...

...team pounces on goalie Jim Craig after a 4-3 victory against the Soviets in the 1980 Olympics, as a flag waves from the partisan Lake Placid, N.Y. crowd, February 22, 1980. (AP Photo...