Est. definitely at some point
The internet’s most questionable collection of obscure destinations.
Regional registry
1 documented location. Others may exist; funding to check ran out.
Lane 13 at Tolvana Bowl was laid mirror-image during the dark of a 1961 winter build and sanctioned for left-handed league play in 1967 rather than repoured. It is the only lane of its kind under continuous certification, in an eight-lane house that stays open to 2 a.m. for the freight trade. That is how it was found.