Fire rainbows are the rarest of all naturally occurring atmospheric phenomena. For a fire rainbow to occur, cirrus clouds must be feet in the air with the precise amount of ice crystals, and the sun must hit the clouds at 58 degrees. (a/k/a Sun Doggies)
From My Nature's Bounteous Beauty Board - The Cameron Falls located inside the Waterton Lakes National Park in Alberta, Canada, turn red when heavy rains occur. Argolite, the red-colored sediment, causes the water to turn red.
Split Rock Lighthouse, Minnesota (by Rikk Flohr) North shore of Lake Superior near Beaver Bay. Completed in it has remained dark since 1969 except for once a year on November to commemorate sailors lost in Great Lakes shipwrecks
Pliant branch of Kauri Agathis australis kauri Araucariaceae Stems and branches are very flexible and pliant and may be bent to form a loop. Maori artisans fashion these into rustic walking sticks, called tekoteko.