Fulgurites are hollow glass tubes that form instantly when lightning strikes a sandy beach or desert, generating localized temperatures of up to fifty thousand degrees Fahrenheit to melt the silica in the ground.

A closer look

Fulgurites are hollow glass tubes that form instantly when lightning strikes a sandy beach or desert, generating localized temperatures of up to fifty thousand degrees Fahrenheit to melt the silica in the ground. These bizarre structures are essentially fossilized lightning bolts, capturing the chaotic, explosive energy of a thunderstorm in a fragile, branching piece of natural glass hidden beneath the sand. Nature just casually performs extreme, high-temperature glassblowing whenever the atmospheric mood strikes, turning ordinary dirt into a literal masterpiece of raw energy. It makes your overpriced artisanal glass vases seem profoundly uninspired when you realize the universe is out here mass-producing lightning sculptures in the desert for absolutely no one to admire