![Liberty 360 in the PECO Theater](https://dev.reliefcomm.com/wp-content/uploads/2010/10/wklight01-zz1-300x245.jpg)
History in 3D! The centuries will collide in Philadelphia's historic district this weekend when tour guides in 18th-century garb welcome visitors to the 21st century and a 3-D theater in the round. (Michael Bryant/Staff Photographer)
The spectacular newest addition to Philadelphia’s historic attractions has a Grand Opening Weekend October 1-3, 2010. The Philadelphia Inquirer devotes a cover and center spread of its Weekend Section to this 360-degree 3D film adventure.