What a dog does when it's home alone, this week on The Feed

This week's most popular viral videos feature an extreme backflip fail, 49ers head coach Jim Harbaugh doing pushups with a walrus and a world record car jump gone wrong. Plus, one dog playing "the floor is lava" and another taking liberties with a bed while its owner is away.

First up, DaTBoYBlAzE16 posted video of a miscalculated backflip attempt.

In the next clip, a pit bull named "The Stig" appears to be playing "the floor is lava" while living Life in the Dog House.

Then, Scott Young, of the action team 3runTube, does a handstand on the edge of a building, 40 stories tall in Shanghai.

SFDKLandSeaSky shared this video of San Francisco 49ers head coach Jim Harbaugh doing pushups with Siku the walrus at Six Flags Discovery Kingdom in Vallejo, California.

Guerlain Chicherit is lucky to be alive after failing to land this world record attempt at a car long jump, posted by Jody Homewood.

And, popular YouTube animal channel ignoramusky posted this caught-on-tape video of a dog taking full advantage of being left at home alone.