Millions of television viewers from around the world are expected to watch the three-hour ceremony Friday night.
Check out the sights around Rio.
Check out some historic moments of the Olympic games.
Miller hit a three-run homer in the eighth inning and the Tampa Bay Rays beat the Kansas City Royals 3-2.
Check out the venues for the 2016 Rio Olympics.
NBC’s plans for the Olympics in Rio over the next two weeks define the term “exhaustive.”
During a news conference Wednesday, Phelps called Rio “my potential last Olympics.”
The U.S. women’s soccer team defeated New Zealand 2-0 in its debut at the Rio Games.
The Tampa Bay Rays beat the Kansas City Royals 12-0 on Wednesday night.
Olympic leaders approved the addition of five sports to the program of the 2020 Tokyo Olympics on Wednesday.
NBC is making 4,500 hours of Olympics coverage available at NBCOlympics.com and the NBC Sports app.
For months, fears about the Rio de Janeiro Olympics have been hogging the spotlight.
Michael Phelps was selected in a vote by members of the U.S. Olympic team.
Other Olympics have taken place without significant difficulties and he hopes it will be the same for Rio.
The Kansas City Royals won 3-2 over the Tampa Bay Rays on Tuesday night.