The gaping vortex on the front of the Inversion House tapers to a small hole approximately 2 feet in diameter at the back.

There is also a non-cross-processed version.

Weird and spooky!
(I invite you to visit my Light and Shadow site and consider voting for it.)

I really dig your x-processed shots. And I shamelessly went and tracked down the PS action because of it. Thx...

another great shot...I've got to get down there just to see it in person!

Awesome shot! I Love it!!

This is a great shot. I couldn't figure out a good way to shoot the back, but I love the way this turned out.