We've seen a couple of strange architectural posts on Neato before, but this takes the cake (so far): the weird yet beautiful Casa de Retiro Espiritual north of Seville, Spain. The "House of Spiritual Retreat," designed by Emilio Ambasz, is literally built into a hill, with the above-ground structure serving as an Escher-like inside-out room.
Neatorama reader Shev wrote:
The house is surrounded by the splendors of the Spanish countryside , perched on a low peak in the lush, green Sierra Morena mountains overlooking a man-made lake and a vast 1,000 Has estate where olive trees, evergreen oaks, and wild flowers grow and fighting bulls, horses and wild boar roam. Its rural setting provides a dramatic contrast to its stark ascetic look.
And of course, they've got a YouTube clip: