This week: Ultra-modern homes

1 Oklahoma City This 2013 steel-clad three-bedroom house features smart-home details and a butterfly roof. Inside are polished concrete floors; a steel stairway; a transparent-wall wine rack between kitchen and living room; and main bedroom with fireplace, terrace, walk-in closet with washer and dryer, and bathroom with oversize shower, dual sinks, and soaking tub. The landscaped lot includes a summer kitchen and a pool and spa with waterfall edge. $799,000. Jenna Harper, Sage Sotheby’s International Realty, (405) 465-6566

4 Miami Architect Ramon Pacheco designed this solar-powered three-bedroom smart home. The house has floor-to-ceiling windows, concrete ceilings, porcelain and hardwood floors, a German-designed kitchen, and a primary suite with tray ceiling and spa bathroom. The lot is landscaped with mature trees, palms, and foliage, and includes a heated saltwater pool, an outdoor shower, a covered summer kitchen and living area, and a carport. $3,990,000. Josie Wang, Brown Harris Stevens Miami, (305) 666-9759