Founded in 1899, the American Society of Landscape Architects is the national professional association representing landscape architects. 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 47 states.