Rusted chain link barriers line rocky shoreline at one of the many viewpoints of the famous Golden Gate Bridge in San Francisco.
Low tide reveals the barnacle crusted rocks on the coastal beaches of Oregon.
In Canada, prickly pear cactus can be found in small pockets scattered through the western provinces. They only grow to about the size of a football. Travelling through Arizona, I was amazed how big they grow when given year round sun. This plant sprawled out and was about 5 feet tall.