An Australian diver befriended a baby shark. For years afterwards, whenever the shark would see him, she would swim up to him and demand cuddles.
Winchester Cathedral was built on marsh and was on the verge of collapse as it sunk into the earth. A diver named William Walker worked alone in pitch-black water for five years, eventually putting down 25,000 bags of concrete, 115,000 concrete blocks, and 900,000 bricks to save its foundation.
The first person to jump off the Brooklyn Bridge was a professional high diver who “wanted to demonstrate that people did not die simply from falling through the air, thus encouraging people to be willing to jump from a burning building into a net.” He proved himself correct by falling 135 feet safely through the air, only dying when he hit the water.