Outdoor pavilions have become a hallmark of stylish and functional outdoor living. These open-sided, roofed structures are found in gardens, parks, and backyards across the world, serving as gathering spaces, event venues, and tranquil retreats. But what exactly is an outdoor pavilion? How does it differ from other outdoor structures, and why are more homeowners and designers choosing to incorporate them into their landscapes? In this comprehensive guide, we'll explore the definition, history, design options, benefits, uses, and planning considerations for outdoor pavilions, complete with visual inspiration and expert advice.