Photo of a multi-plane camera at the Walt Disney Family Museum.

Long exposure of trick or treating on Wawona street in West Portal, San Francisco.

A dog checks out a sea-lion from the end of the pier at Fort Baker.

Photo of a butterfly in the rainforest exhibit at the California Academy of Sciences.

The Golden Gate Bridge peeps out from between some rocks at Marshall's Beach in San Francisco. (previously)

Photo of a Pipevine Swallowtail caterpillar, it has a black body with brilliant orange spikes.

Single Frame Timelapse (SFTL) of some cranes and clouds.

10 minute single-frame timelapse (SFTL) of clouds over Glen Canyon Park in San Francisco.

Bees and their hive in a tree at Glen Canyon Park in San Francisco.

Pair of humpback whales just off the Golden Gate Bridge.

Updated 2017-08-09 17:14:

More whales and some porpoises.