Time machines don’t exist, but A Place In Time Antiques & Flea Market in Olathe, Kansas comes pretty darn close. This isn’t just another dusty collection of forgotten knick-knacks – it’s a sprawling ...

One particularly odd feature — an outcrop near the top of the main outflow — doesn't seem to fit. Scientists think it might be a second, unrelated outflow that happens to overlap in the image.

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