CNN  — 

A kayaker has a close-call with an alligator, a comet pays Earth a visit, and Simone Biles wows us AGAIN! Here are the must-see videos of the week.

A close-call

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Alligator charges kayaker. See what happens next
00:58 - Source: CNN

An alligator charges at a kayaker and gives him quite a scare. The man captures the encounter on camera as he paddles the Waccamaw River in North Carolina.

Iconic ‘Dirty Dancing’ location makes a comeback

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'Dirty Dancing' lake filling up 12 years after it dried up
01:27 - Source: WSLS

In 2008, Mountain Lake, made famous by the 1987 film “Dirty Dancing,” dried up. In 2020, it’s filling back up. Scientists have studied it and discovered it’s the only lake of its kind.

‘Captain America’ praises a real-life hero

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Chris Evans praises boy who saved sister from dog attack
01:28 - Source: CNN

Bridger Walker, a courageous 6-year-old boy, shielded his sister from an attacking dog. The young “Avengers” received a personal message from Chris Evans celebrating the boy’s heroic act.

Returning in 6,800 years

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NEOWISE comet is now visible from Earth. Don't miss it!
00:50 - Source: CNN

Don’t miss your chance to witness a truly stellar moment! The NEOWISE comet will be visible at certain times of the day during July and August. According to NASA, it contains particles that are more than 4 billion years old.

A stunning aerial display

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Pandemic can't stop Simone Biles' stunning aerial display
00:59 - Source: CNN

Simone Biles is reminding us why she’s the most decorated gymnast in world championships’ history. She posted a video of her performing some stunning moves that she says she hadn’t attempted since she was 13 years old.