Bellarmine Chapel's roof is in the shape of a hyperbolic paraboloid, also known as a saddle roof, that will not collapse, even if the Chapel walls were removed.
From the en.wikipedia.org
Animals live in the underworld, which is represented by rectangular space enclosed by pillars, the earth is for mankind, and the heaven world is located above, covered with a saddle-shaped roof.
From the en.wikipedia.org
The good reverend would've liked that one with its hard-top, one-touch, power retractable roof and an interior done in saddle-brown and black Dakota leather with burl walnut accents.