16 moments to remember from Rio Olympics

Gwen Jorgensen gave the United States its first gold in triathlon since it became in Olympic sport in 2000.

Matthew Centrowitz won the first U.S. gold in men's 1,500 since 1908.

The U.S. women's basketball team have won six consecutive Olympic gold medals.

USA's Abbey D'Agostino and New Zealand's Nikki Hamblin provided a lasting moment during the heats for the 5,000 meters. After both runners fell, D'Agostino, who suffered a torn ACL, helped up Hamblin, who then returned the favor to D'Agostino.

Katie Ledecky, shown leading the 800 freestyle, won the event by 11 seconds and set a world record.

The war of words and gestures between Lilly King (right) and Yuliya Efimova (left) reached its pinnacle when King out-touched Efimova for gold in the 100 breaststroke final.

Danell Leyva won silver medals in the parallel bars and high bars in the Rio Olympics.

USA's Ibtihaj Muhammad (left) and Dagmara Wozniak celebrate after winning a bronze medal in the team sabre competition.

USA's Bubba Watson might have finished 32nd in golf's Olympic return, but he was among the country's best ambassadors, seen cheering at numerous events.

Michael Phelps, the most decorated Olympian of all-time, earned a gold medal in the 200 butterfly, one of five gold medals won in Rio.

From left to right: Kathleen Baker, Lilly King, Dana Vollmer and Simone Manuel celebrate with their gold medals after winning the 4x100 medley relay. It was also the United States' 1,000th Summer Olympics gold medal.

The United States swept the women's 100 hurdles with (from left to right) Kristi Castlin (bronze), Brianna Rollins (gold), and Nia Ali (silver) taking home the medals.

The American women had 61 of the 121 overall U.S. medals, with 27 of them gold. The water polo team won gold for the second consecutive Olympics after defeating Italy 12-5.

Jamaica's Usain Bolt completed his historic three-peat in his final Games, winning the 100, 200 and 4x100 relay for the third consecutive Olympics.