Stock car racing's historical ties to moonshine have been well documented for nearly a century, and now a new chapter has unfolded with a discovery at North Wilkesboro Speedway.

A tunnel was found below the grandstands of North Wilkesboro Speedway on Tuesday, according to Speedway Motorsports - which some believe could be a historic moonshine cave. Crews were inspecting damage caused by a sinkhole when the cave was found.

The tunnel is around 700 square feet. Track officials say rumors have circulated for decades about its existence.

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