A thick branch had fallen off a tree next to the sidewalk leading to the Legion Of Honor. The fallen tree limb formed two of the letter Y.

An extendable hot dog roaster and marshmallow toaster formed the letter Y while resting on an oil spattered plate alongside a fork.

A branch fell off a tree and landed next to a boulder. That branch formed the letter Y when viewed from the correct angle.

A barge was tied up next to Pier 14 in San Francisco, That rope, when cut off by the camera frame, formed the letter Y.

A slingshot was discarded in a gutter just below the edge of a sidewalk. Extra rubber bands were evident.

Sunlight highlighted the fork of a tree in the woods. It was unusual for a tree to form such a perfect Y.

A fellow riding an art bicycle, when viewed close-up, revealed the bicycle fork in the shape of a Y.

Water filled a crack in rocks as part of a walkway near one entrance to the Presidio Grounds.

Part of the decoration on the face of a building resembled a Y with a curly tail.

One of the trees planted by the urban forest was a handy place to lean a traffic control sign. The upper part the tree was cut off by the camera, thereby forming a Y.

An elevated roadway support was cast in concrete resulting in the letter Y. The letter vanished when the roadway was continued.

Fortunately for the alphabet, many trees fork into a Y shape while growing. Winter was the best time to view this, because the tree was devoid of leaves.