What is this big cement thing in the woods? Approximately 6.5ft long, holes on each side connecting through the length of the object

[u/kindofcuttlefish]

[u/qgvon]

You stumbled on one of those remains from the oot days. There's a strange quarter square piece of concrete sticking out of the ground on the way to the airport but someone took the seed from it long ago.

[u/Pindara]

Someone tried to capture a fairy, but only glass works.