This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

The oldest surviving botanic garden in the United States.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Huge masonic hall in Philadelphia with lavishly themed rooms.

A rare view of a preserved Victorian science museum.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.