Grizzly bear having some fun rolling down a hill at Denali National Park in Alaska.

Cat named Philo tests out a brand new cat door his owner just installed.

Usain Bolt gets taken out by cameraman on Segway after winning gold medal.

Magician proposes to his girlfriend on stage with a magic trick.

Screaming Marmot sounds like Mariah Carey when she used to be able to hit the high notes.

Bat Blood: Batman vs Superman. Bad Blood parody music video.