A blind American man taught himself to navigate using echolocation. His hobbies include hiking and mountain-biking, and he has now trained over 500 students in his ‘tongue-click’ technique.
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A study found that 68% experienced “phantom vibration syndrome” — a sensory hallucination where you mistakenly think your phone is buzzing.
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Scientists lit a cave of natural gas on fire in 1971 expecting it to only burn for a few days; it still burns to this day. It has been nicknamed "The Door to Hell".
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In Montreal, there's a bus stop with swings that play musical notes when you swing on them.
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Wyoming has only 2 sets of escalators in the entire state.
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