21Todd Endris
A surfer named Todd Endris was once attacked by a white shark. Dolphins came to his rescue, by forming a protective ring around him, keeping the shark from chomping off the flesh from his leg to the bone, and by getting him to shore safely.
22Alex Honnold
American rock climber Alex Honnold holds the speed record for free climbing up a 2,900 foot Yosemite Valley mountain called "The Nose" in just 2 hours and 23 minutes without the use of ropes, safety harnesses or any other protective gear.
23Starkell family trip
One of the longest canoe trip every taken was 12,182 miles from Winnipeg, Canada all the way to the mouth of the Amazon River in Belém, Brazil. It took a father and his sons, 23 months to complete the journey.