Pellet Twister, near Deer Tail Mountain, c. 1949
The Thing on Route 201, aka "Road Blob", 1937
Dodecahedron-shaped boulder, Blue Rock National Park, 1955
Subterranean Terraces, appearing biannually near Mercury Springs, 1941
Unusual coral structure growing in the southern part of the Cuiabò Desert (AKA the “petrified fingers")
Giant Salt Cloud, Tayuka Flats, c. 1961