Magic 8 Ball (en.m.wikipedia.org)
I never realized they had 20 sides! Or that one company owned the trademark. Also surprised that there is no deeper meaning to choosing the 8- ball, they just partnered with billiards company.
Flower Garden Banks National Marine Sanctuary (en.wikipedia.org)
Oceanic pole of inaccessibility (en.wikipedia.org)
Breast-shaped hill (en.wikipedia.org)
Bodega cat (en.wikipedia.org)
Hotwheels sisyphus (spider) (en.wikipedia.org)
Glacial erratic (en.wikipedia.org)
Caisson lock (en.wikipedia.org)
Blue field entoptic phenomenon (en.wikipedia.org)
Country rock (geology) (en.wikipedia.org)
Quine (computing) (en.wikipedia.org)
Buridan's ass (en.wikipedia.org)
Rockwood & Company shipping department fire (en.wikipedia.org)
Ramsar site (en.wikipedia.org)
Alaia (en.wikipedia.org)
Alexandre Yersin (en.wikipedia.org)
One of the discoverers of the bubonic plague microbe!