Longwood Gardens consists of over 1,077 acres of gardens, woodlands, and meadows in Kennett Square, Pennsylvania, United States in the Brandywine Creek Valley. It is one of the premier botanical gardens in the United States and is open to visitors year-round to enjoy exotic plants and horticulture (both indoor and outdoor), events and performances, seasonal and themed attractions, as well as take part in educational lectures, courses, and workshops.(Wikipedia)