Hello and welcome to this image gallery, it is devoted to a 3d fractal object called a Mandelbox in respect of the late great Benoit Mandelbrot. Here is a front view of the pillared entrance, come on in!
Interior exploration by Bib       (parameter settings)

A shot with a pointed arch, and rusty colouring
A deep zoom by zsirhorcsog 
Subpages (2): Interior Surface detail