What is an End Grain Cutting Board?
If you look at the end of a log you will see tree rings. That is the same surface that is on an End Grain Board.
Why have an End Grain Cutting Board?
They are much more durable and show less wear than edge grain boards.
How are they more durable?
Cutting into the end of the grain shows knife marks much less than if you cut into the edge of the grain.
Here are some examples of End Grain Boards: They sell for between $165 to $400.

This Waffle Board with seven rows is 22″ x 13.5″ The woods used on this board are Maple, Walnut, and Cherry

This Basket Weave Board is 23″ x 12.5″ x 1.75″. The woods used on this board are Maple, Walnut, Sapele, and Padauk.

This Shrinking Illusion Board is 16.5″ x 12.5″ x 1.75″. The woods used on this board are Walnut and Maple.

This Zig-Zag Board is 13.5″ x 17.5″ x 1.5″. The woods used on this board are Maple, Walnut, and Cherry.

This Plaid Board is 21″ x 13″ x 1.625″. The woods used on this board are Maple and Cherry.

This Black to White Board is 12″ x 16″. The woods used on this board are Maple and Walnut.

This Brick Wall Board is 10″ x 12″. The wood used on this board is Maple and Walnut.

This Big Blocks Board is 17″ x 12″ x 1.75″ and is made from Walnut and Maple.