Fossil snail-shell house

Giant snail shell 17 m tall and 20 m across turned into a house: its hollow whorl coils 2.3 turns up and in round a central column from a 7 m aperture at the ground to the spire, a spiral corridor with round windows and a lookout opening near the top; growth ridges and a glowing seam along the suture. The corridor's floor is its own model (attach_ramp). Grey stone fossil shell with lichen and amber crystal seams.

15.63 × 13.60 × 17.81 m