Easels and drawing boards are provided, but you'll need to bring all other materials to this three-hour workshop on sketching models.

Take a guided tour of three routes that prisoners used to escape the Penitentiary and discover how the routes have changed over the years.

Take a guided tour of three routes that prisoners used to escape the Penitentiary and discover how the routes have changed over the years.

Practice your backstroke with record-holding and amateur swimmers at FINS Aquatic Club, Philly's gay and lesbian swim team.

Channel your inner hippie and take a walk through gardens.

Take a tour with a local guide who will show you around the city's lesser known neighborhoods — on a horse, of course.

This hands-on exhibit specifically for budding nerds features lessons on sailboats, lighthouses and geology.

Learn about the lives of the men and women imprisoned in this infamous prison.

Learn about the lives of the men and women imprisoned in this infamous prison.

Storytellers who lead this tour recreate the sights, events and personalities of the Colonial era.

Features several installations and stations where visitors can learn about trees and their relationship to people. The main attraction, "Out on a Limb," takes visitors 50 feet up in the air for a bird's-eye view of Morris' gardens.

Visitors can take a tour of the historic hillside where George Washington and his Continental Army struggled to survive through the winter of 1977 to 1978.

Walk through this colonial landscaped estate, which includes William Hamilton's mansion and the cemetery where artist Thomas Eakins rests.

Take a guided tour of three routes that prisoners used to escape the Penitentiary and discover how the routes have changed over the years.

Take a guided tour of three routes that prisoners used to escape the Penitentiary and discover how the routes have changed over the years.

Channel your inner hippie and take a walk through gardens.

Take a tour with a local guide who will show you around the city's lesser known neighborhoods — on a horse, of course.

This hands-on exhibit specifically for budding nerds features lessons on sailboats, lighthouses and geology.

Learn about the lives of the men and women imprisoned in this infamous prison.

Learn about the lives of the men and women imprisoned in this infamous prison.

Storytellers who lead this tour recreate the sights, events and personalities of the Colonial era.

This biannual week features 60 restaurants serving four-course, prix fixe meals for a $25 or $35 set price. What are your options this year? Represented flavors include everything from Thai to Italian, and a few participating restaurants include Cafe Gallery, Swanky Bubbles, Terra Nova, Los Amigos and The Little Tuna. For a full list of participants and more information, visit the Web site.

Features several installations and stations where visitors can learn about trees and their relationship to people. The main attraction, "Out on a Limb," takes visitors 50 feet up in the air for a bird's-eye view of Morris' gardens.

Visitors can take a tour of the historic hillside where George Washington and his Continental Army struggled to survive through the winter of 1977 to 1978.