A panel and panel systems are described herein and can include a rigid panel that includes a plurality of apertures and an undulating pattern. The panel acts to block sunlight and may otherwise protect the area behind the panel. In an example, the panel is fixed in a spaced apart relation to a building. The panel or panels block a portion of the direct sunlight to assist in the environmental control of the building. The panel can be strong enough to further protect the building from weather damage or other damage.