Each year, there are a handful of organized day trips to San Miguel Island - the westernmost of the California Channel Islands
https://en.wikipedia.org/wiki/San_Miguel_Island

Many dolphins followed the boat to/from the island
There's no jetty on the island, so skiffs were used to unload the passengers
The main trail into the interior of the island
Giant Coreopsis
https://en.wikipedia.org/wiki/Coreopsis_gigantea https://www.nps.gov/subjects/islandofthebluedolphins/coreopsis.htm
Monument to the explorer Cabrillo, who died and was buried (somewhere else) on this island
The monument was presumably made by Portuguese-Americans, as it uses (and misspells :-) the Portuguese spelling of his name, even though it's far from clear that he was Portuguese https://en.wikipedia.org/wiki/Juan_RodrĂguez_Cabrillo
You can also reach the island by plane
Cuyler Harbor
Elephant Seals
More dolphins on the ride back
The hump of a humpback whale
The end of a fun day