Founded in 1899, the American Society of Landscape Architects is the national professional association representing landscape architects. Beginning with 11 original members, ASLA has grown to more than 18,000 members and 48 chapters, representing all 50 states, US territories, and 42 countries around the world. ASLA promotes the landscape architecture profession and advances the practice through advocacy, education, communication, and fellowship. WHAT IS LANDSCAPE ARCHITECTURE? Landscape architecture encompasses the analysis, planning, design, management, and stewardship of the natural and built environments. Types of projects include: residential; parks and recreation; monuments; urban design; streetscapes and public spaces; transportation corridors and facilities; gardens and arboreta; security design; hospitality and resorts; institutional; academic campuses; therapeutic gardens; historic preservation and restoration; reclamation; conservation; corporate and commercial; landscape art and earth sculpture; interior landscapes; and more. Landscape architects have advanced education and professional training and are licensed in 49 states.