Through September 1, 2008
Nature's Castles
Longwood Gardens' spectacular treehouse exhibition will inspire the nature lover, craftsperson and kid in everyone. Guests can climb and explore large-scale treehouses made by the country's best designers.
610-388-1000
Through September 14, 2008
Counterpoint: Anthropology And Photography In New Guinea
At the University of Pennsylvania Museum of Archaeology and Anthropology, Austin Supers' vivid color photographs of Papua New Guinea natives are accompanied by written commentary by anthropologist Stuart Kirsch.
215-898-4000
Through September 28, 2008
Gregor Mendel: Planting The Seeds Of Genetics
Visitors to The Academy of Natural Sciences can learn the dramatic story and explore the experiments of the brilliant 19th-century friar who became the father of modern genetics.
215-299-1000
Through September 28, 2008
Totally Terrific Treehouses
This Tyler Arboretum exhibition features one-of-a-kind tree houses designed and built by local architects, landscape architects, builders, schools and artists.
610-566-9134
September 8-November 18, 2008
Everything Autumn
Throughout this Longwood Gardens festival, monster pumpkins, unusual gourds, a garden railway, a tractor display and live entertainment convert the floral sanctuary into an autumnal wonderland.
610-388-1000
September 12-14, 2008
Radnor Hunt Concours D'elegance
This charity benefit includes a black tie gala, barbeque, rally, art show and auction and features Sunday's 100 Motor Cars of Radnor Hunt, a display of 100 of the world's finest automobiles and motorcycles.
610-644-4439
September 13-14, 2008
Scarecrow Festival
This annual festival at Peddler's Village celebrates the season with scarecrow displays, pumpkin-painting workshops and pie-eating contests.
215-794-4000
September 18, 2008
Liberty Medal
The Liberty Medal is awarded by the National Constitution Center to people who strive to secure liberty for people all over the world. Recipients include men, women and organizations responsible for shaping and guiding the world. This year's recipient is former Soviet leader and Nobel Peace Prize winner Mikhail Gorbachev who will be honored for his courageous role in ending the dangerous, decades-long Cold War and in giving hope and freedom to millions who lived behind the Iron Curtain.
215-409-6700
September 17, 2008-January 20, 2009
Headed To The White House
This exhibition at the National Constitution Center guides citizens on the path to the presidency, including the primaries, conventions, Election Day and inauguration, through multimedia, interactive and theatrical components.
215-409-6700
September 19-November 2, 2008
Terror Behind The Walls
Thrill-seekers celebrate the Halloween season at Eastern State Penitentiary for a spooky haunted house inside an abandoned prison.
215-236-3300