An extensive tour of Eastern State Penitentiary using QuickTime VR technology. Each view allows a 360 degree perspective, so the viewer can "turn around." Historic photos accompany each view, illustrating how the penitentiary has changed over its 170 year history, and a narrative text presents interesting insights into each location. Twenty stops in total.
Online 360 tour provided by futureHistory.
Google also offers a virtual tour of Eastern State Penitentiary, available here. Seven stops in total.