The article begins with:
Attention all you mountain bikers, BMX riders, and dirt jumpers: Ever fantasized about making Fraggle Rock or Cave of Forgotten Dreams your own personal playground?
If so, you might consider booking flights to Louisville, Ky., which come February will boast the first underground bike park in the world, built some 75 feet below the city in an old limestone cavern that hasn’t been mined since the ’70s. The epic bike park is aptly called the Mega Cavern. Not surprisingly, it totally rules.
How does this compare to the Big Marsh Area?