The following sources were consulted in the preparation of the article “12 natural phenomena in America that seem impossible but are real.”
- Mystery Solved: “Sailing Stones” of Death Valley Seen in Action for the First Time
- Bioluminescence Levels and Dinoflagellates Abundances at the Bioluminescent Bay Puerto Mosquito, Vieques, PR
- Horsetail Fall
- Scientists Solve Geological Puzzle
- Solving the mystery of booming sand dunes
- Why Are Ice Volcanoes Erupting on the Shores of Lake Michigan?
- The Moon, the Mist and Look at this!
- Alaska Bore Tide: A local guide to bore tide sightings
- Synchronous Fireflies
- Great Salt Lake, Utah
- Outstanding geologic feature of Pennsylvania: Ringing Rocks, Bucks County
- Anoxic, hypersaline basin in the northern gulf of Mexico