A glass-bottomed pool forms a massive window to the concrete garage underneath this home in Brazil's Porto Alegre, designed by locally based Hype Studio, where over 40 antique cars can be stored.

Called Jardim do Sol, the 2,000-square-metre residence is located in a private residential community in the southern Brazilian city.

Hype Studio created an underground garage to span the base of the property and host the owner's impressive car collection, comprising over 40 vehicles. Featuring a ribbed concrete roof, the floor also includes a "man cave" with a pool table, and a staff room for those who service the cars.

Two buildings are then set on top, separating the main residence from a smaller outbuilding for parties at the rear, with an adjoining swimming pool. In between the two is an outdoor patio, where a shallow pool of water with a glass bottom offers views to the level below.
A white steel roof structure spanning Jardim do Sol adheres to a strict 1.9-metre grid. It extends to form the lattice over the central patio, which also features a fountain, planting, and outdoor dining.

"In the roof, a steel grid extends above the inner yard, creating the feeling that the house extends itself, mixing outdoor and indoor spaces," Hype Studio said in a project description.

The white frame also peeps above the first floor at the front of the house, which Hype Studio has cantilevered over the ground-level entrance to offer protection from direct sunlight a...