The 2016 Summer Olympics is already full of drama and historic moments after just the first week of competition, with plenty more to come.
Take a look back at some of the most memorable events (so far) that will forever be associated with the Rio Games.
Tongan flag bearer and taekwondo practitioner Pita Taufatofua garnered comment on social media when he walked in the Parade of Athletes shirtless and shining with oil.
Gisele Bündchen was cheered during the Opening Ceremony as she strode across the stadium stage to the classic Brazilian song, "Girl from Ipanema."
French gymnast Samir Aid Said, 27, broke his left leg below the knee in a horrific injury during his dismount on the vault at the Day 1 qualification round. (Warning: graphic content).
Dutch cyclist Annemiek van Vleuten suffered a severe concussion and three small fractures to her spine after flying over her handlebars and landing on the curb. She was leading the race at the time of the crash.
After winning gold in the 100m breaststroke, American swimmer Lilly King wagged her finger at Russian competitor Yulia Efimova, who had been allowed to compete despite being previously suspended for doping.
The U.S. women's gymnastics team won a second consecutive Olympics gold and branded themselves the "Final Five" to honor the great Martha Karolyi, who is retiring after the Games.
#Phelpsface -- the look all-world swimmer Phelps gives you before dominating you in the pool -- went viral.
Cupping became a phenomenon in Rio, as many athletes, including Phelps, were dotted with the evidence of the ancient healing practice.
The Rio's outdoor diving pool turned from a clear, light blue to a murky green. Olympic organizers announced that tests had shown the water posed no risk to athletes, and diving events continued as planned.
Armenian weightlifter Andranik Karapetyan's Olympic dreams came to a heartbreaking end Wednesday evening when his left elbow hyperextended while attempting to lift 195kg (429.9 lbs). (Warning: graphic content)
American gymnast Simone Biles, 19, won gold in the women's gymnastics individual all-around event. Teammate Aly Raisman gets silver.
American swimmer Simone Manuel tied Canada's Penny Oleksiak for gold in the 100m freestyle, becoming the first African-American woman to win a gold medal in swimming.
Finnish weightlifter Milko Olavi Tokola was so pumped after one of his lifts that he literally fell off the platform while celebrating.
American swimmer Katie Ledecky dominated her swimming events. She won gold after breaking her own world record in the 400m freestyle, and then won the 200m freestyle and was golden again in the 4x200m freestyle relay. Ledecky finished her Games by shattering her own world record in the 800m freestyle, finishing a whopping 11.38 seconds ahead of the silver medalist.
Michael Phelps won five more gold medals and a silver in Rio. The first four golds came in the 4x100m freestyle relay, the 200m butterfly, the 4x200m freestyle relay and the 200m IM. Phelps couldn't help but finish off his Rio Games with just one more gold medal. He teamed up with Ryan Murphy, Cody Miller and Nathan Adrian to secure gold in the 4x100m medley relay, giving him 23 gold medals in his illustrious career.