The colorful whiteboard animation series After Skool vividly illustrated a talk given by Randall Carlson about the true meaning of Halloween.

Hundreds of Jack-O-Lanterns were lit up on the "Old Morrison Steps" for the 12th Annual PumpkinMania Festival at Transylvania University.

The ambassador animals of the Oregon Zoo enjoyed a yummy seasonal pumpkin inside their respective habitats.

Mark Rober had his backyard squirrels race against one another in an event called the "Backyard Squirrelympics 3.0 - The Summer Games".

LEGO released "Brick to the Future", a short animation featuring Marty McFly and Doc Brown driving the LEGO Back to the Future Time Machine.

Yoann Bourgeois performed an acrobatic routine of climbing and falling off a stairway, bouncing back on trampoline, and resuming his climb.

Linus Åkesson created "The Commodoridian", an 8-bit accordion made from two Commodore 64 computers with floppy disks used as the bellows.

electrosync took apart his Roomba, replacing parts with faster motors, electronics, and radio controls to build the world's fastest Roomba

Sculptor Ian Langhor demonstrates how to make a monster mask for Halloween in a few simple steps using materials that are easy to find.

Halloween Wars champion James Hall explained to Wired how to carve a pumpkin over 13 different levels of increasing difficulty.