Southern right whale (Eubalaena australis) adult female flukes-up to catch the wind in Puerto Pyramides, Argentina, South America

Adult brown pelican (Pelecanus occidentalis) in breeding plumage bathing in seawater on Bartolome Island in the Galapagos Island Group, Ecuador. Pacific Ocean.

White-tipped Reef Sharks (Triaenodon obesus) foraging in the surf on Bartolome Island in the Galapagos Island Group, Ecuador. Pacific Ocean.

Adult Galapagos penguin (Spheniscus mendiculus) in the Galapagos Island Group, Ecuador. This is the only species of penguin in the northern hemisphere and is endemic to the Galapagos only.

Adult Galapagos penguin (Spheniscus mendiculus) in the Galapagos Island Group, Ecuador. This is the only species of penguin in the northern hemisphere and is endemic to the Galapagos only.

Adult Galapagos penguin (Spheniscus mendiculus) in the Galapagos Island Group, Ecuador. This is the only species of penguin in the northern hemisphere and is endemic to the Galapagos only.

Adult brown pelican (Pelecanus occidentalis) in flight on Bartolome Island in the Galapagos Island Group, Ecuador. Pacific Ocean.

White-tipped Reef Sharks (Triaenodon obesus) foraging in the surf on Bartolome Island in the Galapagos Island Group, Ecuador. Pacific Ocean.

Adult brown pelican (Pelecanus occidentalis) in breeding plumage bathing in the ocean near Bartolome Island in the Galapagos Island Group, Ecuador. Pacific Ocean.

Tufa formations, towering remnants created by the upwelling of mineral deposits that formed underwater, make for an interesting and otherworldly scene at twilight along the shore of California's Mono Lake.