The manufacturer of modern gas fireplaces offers a new burner system that allows architects to create the same styling outdoors. The modular Linear Burner System Outdoor unit is fabricated from stainless steel and features waterproof internal components and a remote control with electronic ignition. It’s available in standard lengths of 2, 4, 6, and 8 feet. Cost $4,100 to $8,200. Spark Modern Fires. 866-938-3846.